{"id":542,"date":"2026-06-23T16:14:49","date_gmt":"2026-06-23T07:14:49","guid":{"rendered":"https:\/\/www.risu-japan.com\/drill\/?p=542"},"modified":"2026-06-23T16:14:49","modified_gmt":"2026-06-23T07:14:49","slug":"multiplication-2s","status":"publish","type":"drill","link":"https:\/\/www.risu-japan.com\/drill\/grade2\/multiplication-times-tables\/multiplication-2s\/","title":{"rendered":"\u4e5d\u4e5d\uff1a2\u306e\u6bb5"},"content":{"rendered":"<p><!-- body-start --><\/p>\n<h2>2\u306e\u6bb5\u3068\u306f<\/h2>\n<p>\u300c1\u3064\u5206\u306e\u6570\u304c2\u300d\u3067\u3042\u308b\u3068\u304d\u306e\u8a08\u7b97\u3067\u3059\u3002\u8eab\u306e\u56de\u308a\u306b\u306f\u300c\u30da\u30a2\uff082\u3064\u30671\u7d44\uff09\u300d\u306e\u3082\u306e\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\uff08\u9774\u3001\u3055\u304f\u3089\u3093\u307c\u3001\u81ea\u8ee2\u8eca\u306e\u30bf\u30a4\u30e4\u306a\u3069\uff09\u3002\u3053\u308c\u3089\u3092\u6570\u3048\u308b\u3068\u304d\u306b2\u306e\u6bb5\u304c\u5f79\u7acb\u3064\u3053\u3068\u3092\u899a\u3048\u307e\u3057\u3087\u3046\u3002\u7b54\u3048\u304c\u300c<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mi>\u3001<\/mi><mn>4<\/mn><mi>\u3001<\/mi><mn>6<\/mn><mi>\u3001<\/mi><mn>8<\/mn><mi>\u3001<\/mi><mn>10<\/mn><mo>\u22ef<\/mo><\/math><\/span>\u300d\u30682\u306e\u98db\u3073\u98db\u3073\u306e\u5024\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>2\u306e\u6bb5\u306e\u30eb\u30fc\u30eb<\/h2>\n<h3>1. 2\u306e\u6bb5\u306e\u610f\u5473<\/h3>\n<p>\u300c2\u3064\u305a\u3064\u300d\u3042\u308b\u3082\u306e\u304c\u300c\u3044\u304f\u3064\u300d\u3042\u308b\u304b\u3092\u8868\u3059\u306e\u304c2\u306e\u6bb5\u3067\u3059\u3002\uff08\u4f8b\uff1a<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span>\uff09<\/p>\n<h3>2. 2\u306e\u6bb5\u306e\u5897\u3048\u65b9<\/h3>\n<p>\u304b\u3051\u308b\u6570\u304c1\u5897\u3048\u308b\u3068\u3001\u7b54\u3048\u306f\u300c2\u300d\u5897\u3048\u307e\u3059\u3002\uff08\u4f8b\uff1a<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span> \u306b2\u3092\u8db3\u3059\u3068 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>4<\/mn><mo>=<\/mo><mn>8<\/mn><\/math><\/span>\uff09<\/p>\n<h3>3. 2\u306e\u6bb5\u306e\u8aad\u307f\u65b9<\/h3>\n<p>\u300c\u306b \u3044\u3061 \u304c \u306b\u300d\u300c\u306b \u306b\u3093 \u304c \u3057\u300d\u300c\u306b \u3055\u3093 \u304c \u308d\u304f\u300d\u3068\u7d9a\u304d\u307e\u3059\u3002<\/p>\n<p><!-- \u4f8b\u984c --><\/p>\n<section class=\"example-section\">\n<h2 class=\"example-section__heading\">\u4f8b\u984c<\/h2>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f1<\/h3>\n<p>\u3055\u304f\u3089\u3093\u307c\u304c 2\u3053\u305a\u3064 \u3064\u306a\u304c\u3063\u3066 \u3044\u307e\u3059\u30023\u3064 \u3042\u308b\u3068\u3001\u305c\u3093\u3076\u3067 \u4f55\u3053 \u3067\u3059\u304b\u3002\u304b\u3051\u7b97\u306e \u5f0f\u306b \u66f8\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>    <!-- \u753b\u50cf\u633f\u5165\u4e88\u5b9a\uff1a2\u500b\u305a\u3064\u3064\u306a\u304c\u3063\u305f\u3055\u304f\u3089\u3093\u307c\u306e\u7d75\u304c3\u3064\u3042\u308b\u56f3 --><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-300x300.png\" alt=\"\" width=\"300\" height=\"300\" class=\"alignnone size-medium wp-image-545\" srcset=\"https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-300x300.png 300w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-1024x1024.png 1024w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-150x150.png 150w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-768x768.png 768w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one-1536x1536.png 1536w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/A-picture-of-three-cherries-two-fruits-make-one.png 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\n  <\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u300c<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>8<\/mn><mo>=<\/mo><mn>16<\/mn><\/math><\/span>\u300d\u306f\u3001\u3069\u306e\u3088\u3046\u306b \u8aad\u307f\u307e\u3059\u304b\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-block\">\n<h3 class=\"explanation-block__heading\">\u89e3\u8aac<\/h3>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f1<\/h4>\n<p>\u4eca\u56de\u306f2\u306e\u6bb5\u306e\u304b\u3051\u7b97\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3059\u30022\u3064\u304c\u3064\u306a\u304c\u3063\u305f\u3055\u304f\u3089\u3093\u307c\u304c3\u3064\u3042\u308b\u306e\u3067\u3001\u300c\u3055\u304f\u3089\u3093\u307c\u306e\u30da\u30a2\uff081\u30da\u30a22\u3064\uff09\u300d\u00d7\u300c\u30da\u30a2\u306e\u6570\u300d\uff1d\u300c\u3055\u304f\u3089\u3093\u307c\u306e\u6570\u300d\u3067\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><\/math><\/span> \u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u56f3\u3092\u4f7f\u3063\u30662\u3053\u306e\u304b\u305f\u307e\u308a\u30923\u3064\u63cf\u3044\u3066\u307f\u308b\u3068\u3001\u3055\u304f\u3089\u3093\u307c\u306f\u5168\u90e8\u30676\u3053\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u7b54\u3048\u306f6\u3053\u3067\u3059\u3002<\/p>\n<p>\u7b54\u3048\uff1a6\u3053\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span><\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>2\u306e\u6bb5\u306e\u4e5d\u4e5d\u306e\u8aad\u307f\u65b9\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u30022\u306e\u6bb5\u306e\u8aad\u307f\u65b9\u306f\u3001\u300c\u306b \u3044\u3061 \u304c \u306b\u300d\u300c\u306b \u306b\u3093 \u304c \u3057\u300d\u300c\u306b \u3055\u3093 \u304c \u308d\u304f\u300d\u3068\u7d9a\u304d\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u304b\u3051\u308b\u6570\u304c5\u4ee5\u4e0a\u306b\u306a\u308b\u3068\u300c\u304c\u300d\u304c\u6d88\u3048\u3001\u300c\u306b\u3054 \u3058\u3085\u3046\u300d\u300c\u306b\u308d\u304f \u3058\u3085\u3046\u306b\u300d\u3068\u7d9a\u3044\u3066\u3044\u304d\u307e\u3059\u3002\u300c<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>8<\/mn><mo>=<\/mo><mn>16<\/mn><\/math><\/span>\u300d\u306f\u300c2\uff08\u306b\uff09\u300d\u300c8\uff08\u306f\u3061\uff09\u300d\u300c16\uff08\u3058\u3085\u3046\u308d\u304f\uff09\u300d\u3067\u300c\u306b\u306f\u3061 \u3058\u3085\u3046\u308d\u304f\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b54\u3048\uff1a\u300c\u306b \u304b\u3051\u308b \u306f\u3061 \u306f \u3058\u3085\u3046\u308d\u304f\u300d\u3068\u300c\u306b\u306f\u3061 \u3058\u3085\u3046\u308d\u304f\u300d<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- \u7df4\u7fd2\u554f\u984c --><\/p>\n<section class=\"practice-problems\">\n<h2>\u7df4\u7fd2\u554f\u984c<\/h2>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f1<\/h3>\n<p>\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"risu-math risu-math--block\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>7<\/mn><mo>=<\/mo><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u3048\u3093\u3074\u3064\u3092 2\u672c\u305a\u3064 \u305f\u3070\u306b \u3057\u307e\u3059\u30025\u305f\u3070 \u4f5c\u308b\u3068\u3001\u3048\u3093\u3074\u3064\u306f \u305c\u3093\u3076\u3067 \u4f55\u672c \u3067\u3059\u304b\u3002\u304b\u3051\u7b97\u306e \u5f0f\u306b \u66f8\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f3<\/h3>\n<p>\u305f\u308d\u3046\u304f\u3093\u306f\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>4<\/mn><\/math><\/span> \u306e \u7b54\u3048\u3092 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>6<\/mn><\/math><\/span> \u3060\u3068 \u8a00\u3044\u307e\u3057\u305f\u3002\u6b63\u3057\u3044 \u7b54\u3048\u306f \u3044\u304f\u3064 \u3067\u3059\u304b\u3002<\/p>\n<\/p><\/div>\n<\/section>\n<p><!-- \u5fdc\u7528\u554f\u984c --><\/p>\n<section class=\"advanced-problems\">\n<h2>\u5fdc\u7528\u554f\u984c<\/h2>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f1<\/h3>\n<p>\u25a1 \u306b \u5165\u308b \u6570\u3092 \u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"risu-math risu-math--block\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><mn>2<\/mn><mo>\u00d7<\/mo><mi>\u25a1<\/mi><mo>=<\/mo><mn>14<\/mn><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u7d75\u3092 \u898b\u3066 \u304b\u3051\u7b97\u306e \u3057\u304d\u3092 \u3064\u304f\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>    <!-- \u753b\u50cf\u633f\u5165\u4e88\u5b9a\uff1a\u304a\u76bf\u304c3\u679a\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u306b\u308a\u3093\u3054\u304c2\u500b\u4e57\u3063\u3066\u3044\u308b\u7d75 --><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-300x300.png\" alt=\"\" width=\"300\" height=\"300\" class=\"alignnone size-medium wp-image-544\" srcset=\"https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-300x300.png 300w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-1024x1024.png 1024w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-150x150.png 150w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-768x768.png 768w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it-1536x1536.png 1536w, https:\/\/www.risu-japan.com\/drill\/wp-content\/uploads\/2026\/06\/The-picture-shows-three-plates-each-with-two-apples-on-it.png 2048w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\n  <\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f3<\/h3>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><\/math><\/span> \u306e \u7b54\u3048\u3068\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><\/math><\/span> \u306e \u7b54\u3048\u306f \u540c\u3058\u306b \u306a\u308a\u307e\u3059\u304b\u3002\u8a08\u7b97\u3057\u3066 \u305f\u3057\u304b\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p><\/div>\n<\/section>\n<p><!-- \u89e3\u7b54\u3068\u89e3\u8aac --><\/p>\n<section class=\"answer-section\">\n<h2>\u89e3\u7b54\u3068\u89e3\u8aac<\/h2>\n<div class=\"answer-group answer-group--practice\">\n<h3>\u7df4\u7fd2\u554f\u984c<\/h3>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f1<\/h4>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>7<\/mn><\/math><\/span> \u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u30022\u306e\u6bb5\u306f2\u306e\u304b\u305f\u307e\u308a\u304c\u3044\u304f\u3064\u3042\u308b\u304b\u3092\u8003\u3048\u308b\u304b\u3051\u7b97\u3067\u3059\u306d\u3002\u4eca\u56de\u306f\u300c2\u3064\u305a\u3064\u300d\u304c7\u3053\u3042\u308b\u306e\u3067\u3001\u56f3\u3092\u63cf\u3044\u3066\u8003\u3048\u3066\u307f\u308b\u3068\u3001\u7b54\u3048\u306f <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>14<\/mn><\/math><\/span> \u3067\u3042\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>7<\/mn><mo>=<\/mo><mn>14<\/mn><\/math><\/span> \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b54\u3048\uff1a14<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>2\u672c\u305a\u3064\u306e\u925b\u7b46\u306e\u675f\u304c5\u675f\u3042\u308b\u306e\u3067\u3001\u300c1\u675f\u306e\u925b\u7b46\u306e\u672c\u6570\u300d\u00d7\u300c\u925b\u7b46\u306e\u675f\u306e\u6570\u300d\uff1d\u300c\u5168\u90e8\u306e\u925b\u7b46\u306e\u672c\u6570\u300d\u3067\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>5<\/mn><\/math><\/span> \u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u56f3\u3092\u63cf\u3044\u3066\u8003\u3048\u3066\u307f\u308b\u3068\u3001\u7b54\u3048\u306f <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><\/math><\/span> \u3067\u3042\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u925b\u7b46\u306f\u5168\u90e8\u306710\u672c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b54\u3048\uff1a10\u672c\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>5<\/mn><mo>=<\/mo><mn>10<\/mn><\/math><\/span><\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f3<\/h4>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>4<\/mn><\/math><\/span> \u306e\u7b54\u3048\u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>4<\/mn><\/math><\/span> \u306f\u300c2\u3064\u305a\u3064\u300d\u304c4\u3053\u3042\u308b\u3068\u8003\u3048\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u30662\u306e\u304b\u305f\u307e\u308a\u30924\u3053\u63cf\u3044\u3066\u307f\u308b\u3068\u7b54\u3048\u306f <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><\/math><\/span> \u3053\u3067\u3042\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u304b\u3051\u7b97\u3068\u8db3\u3057\u7b97\u306f\u8a18\u53f7\u304c\u4f3c\u3066\u3044\u308b\u306e\u3067\u9593\u9055\u3048\u3084\u3059\u3044\u3067\u3059\u3002\u305c\u3072\u8a08\u7b97\u3059\u308b\u6642\u306f\u4e00\u5ea6\u300c\u3053\u308c\u306f\u8db3\u3057\u7b97\u304b\u306a\uff1f\u304b\u3051\u7b97\u304b\u306a\uff1f\u300d\u3068\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u7b54\u3048\uff1a8<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"answer-group answer-group--advanced\">\n<h3>\u5fdc\u7528\u554f\u984c<\/h3>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f1<\/h4>\n<p>\u304b\u3051\u308b\u6570\u304c\u3044\u304f\u3064\u306e\u3068\u304d\u306b\u7b54\u3048\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>14<\/mn><\/math><\/span> \u306b\u306a\u308b\u304b\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u304b\u3051\u308b\u6570\u304c1\u306e\u3068\u304d\u306f\u7b54\u3048\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><\/math><\/span>\u3001\u304b\u3051\u308b\u6570\u304c2\u306e\u3068\u304d\u306f\u7b54\u3048\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>4<\/mn><\/math><\/span>\u3001\u304b\u3051\u308b\u6570\u304c3\u306e\u3068\u304d\u306f\u7b54\u3048\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>6<\/mn><\/math><\/span> \u3068\u3001\u304b\u3051\u308b\u6570\u304c1\u5897\u3048\u308b\u3054\u3068\u306b\u7b54\u3048\u304c2\u305a\u3064\u5897\u3048\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u306d\u3002\u3088\u3063\u3066\u3053\u306e\u8abf\u5b50\u3067\u9806\u756a\u306b\u8003\u3048\u3066\u3044\u304f\u3068\u3001\u304b\u3051\u308b\u6570\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><\/math><\/span> \u306e\u3068\u304d\u306b\u7b54\u3048\u304c <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>14<\/mn><\/math><\/span> \u306b\u306a\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u25a1\u306b\u5f53\u3066\u306f\u307e\u308b\u6570\u306f <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><\/math><\/span> \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b54\u3048\uff1a7<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>\u7d75\u306f\u304a\u76bf\u304c3\u679a\u3042\u3063\u3066\u305d\u308c\u305e\u308c\u306b\u308a\u3093\u3054\u304c2\u3053\u4e57\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u3064\u307e\u308a\u300c1\u679a\u306e\u76bf\u306b\u4e57\u3063\u3066\u3044\u308b\u308a\u3093\u3054\u306e\u6570\u300d\u00d7\u300c\u76bf\u306e\u6570\u300d\uff1d\u300c\u5168\u90e8\u306e\u308a\u3093\u3054\u306e\u6570\u300d\u3067\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066 <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><\/math><\/span> 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display=\"inline\"><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><\/math><\/span> \u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5de6\u304b\u3089\u9806\u756a\u306b\u8a08\u7b97\u3092\u884c\u3046\u3068\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><mo>+<\/mo><mn>2<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span> \u3068\u306a\u308a\u307e\u3059\u3002\u6b21\u306b <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>\u00d7<\/mo><mn>3<\/mn><\/math><\/span> \u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u56f3\u3092\u63cf\u3044\u305f\u308a\u4e5d\u4e5d\u3092\u4f7f\u3063\u305f\u308a\u3057\u3066\u8a08\u7b97\u3059\u308b\u3068\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" 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class=\"advice-box__body\">\n<p>\u4eca\u56de\u306f2\u306e\u6bb5\u306b\u3064\u3044\u3066\u52c9\u5f37\u3057\u307e\u3057\u305f\u3002\u5927\u5207\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u307e\u3068\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>\u304b\u3051\u308b\u6570\u304c1\u5897\u3048\u308b\u3068\u7b54\u3048\u304c2\u5897\u3048\u308b<\/strong>\uff1a2\u306e\u6bb5\u306f\u304b\u3051\u308b\u6570\u304c1\u5897\u3048\u308b\u3068\u7b54\u3048\u304c\u300c2\u300d\u5897\u3048\u308b\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/li>\n<li><strong>\u4e5d\u4e5d\u3092\u58f0\u306b\u51fa\u3057\u3066\u899a\u3048\u308b<\/strong>\uff1a\u304b\u3051\u7b97\u306f\u6697\u8a18\u304c\u91cd\u8981\u3067\u3059\u3002\u5c11\u3057\u305a\u3064\u4e5d\u4e5d\u3092\u899a\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4e5d\u4e5d\u3092\u601d\u3044\u51fa\u305b\u306a\u3044\u6642\u306f\u81ea\u5206\u3067\u56f3\u3092\u63cf\u3044\u3066\u78ba\u304b\u3081\u3066\u307f\u308b\u3068\u3044\u3044\u3067\u3059\u306d\u3002<\/li>\n<\/ul><\/div>\n<\/aside>\n<p><!-- 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