{"id":130,"date":"2026-05-25T16:09:35","date_gmt":"2026-05-25T07:09:35","guid":{"rendered":"https:\/\/www.risu-japan.com\/drill\/?p=130"},"modified":"2026-05-25T16:09:35","modified_gmt":"2026-05-25T07:09:35","slug":"subtraction-up-to-10","status":"publish","type":"drill","link":"https:\/\/www.risu-japan.com\/drill\/grade1\/subtraction\/subtraction-up-to-10\/","title":{"rendered":"10\u307e\u3067\u306e\u5f15\u304d\u7b97"},"content":{"rendered":"<p><!-- body-start --><\/p>\n<h2>10\u307e\u3067\u306e\u5f15\u304d\u7b97\u3068\u306f\u306a\u306b\u304b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u5b66\u7fd2\u3057\u305f\u300c\u306e\u3053\u308a\u306f\u3044\u304f\u3064\u300d\u3084\u300c\u3061\u304c\u3044\u306f\u3044\u304f\u3064\u300d\u306e\u8003\u3048\u65b9\u3092\u4f7f\u3063\u3066\u3001\u5f15\u304b\u308c\u308b\u6570\u304c10\u307e\u3067\u306b\u306a\u308b\u5f15\u304d\u7b97\u3092\u305f\u304f\u3055\u3093\u7df4\u7fd2\u3057\u3001\u8a08\u7b97\u529b\u3092\u304d\u305f\u3048\u307e\u3057\u3087\u3046\u3002\u6700\u521d\u306f\u6307\u3084\u56f3\u3092\u4f7f\u3063\u3066\u6570\u3048\u3066\u3082\u304b\u307e\u3044\u307e\u305b\u3093\u304c\u3001\u4f55\u5ea6\u3082\u7e70\u308a\u8fd4\u3059\u3046\u3061\u306b\u300c7\u304b\u30893\u3092\u5f15\u304f\u30684\u300d\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u982d\u306e\u4e2d\u3060\u3051\u3067\u30d1\u30c3\u3068\u7b54\u3048\u304c\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u76ee\u6a19\u3067\u3059\u3002<\/p>\n<h2>10\u307e\u3067\u306e\u5f15\u304d\u7b97\u306e\u30eb\u30fc\u30eb<\/h2>\n<p>\u300c\uff0b\uff08\u305f\u3059\uff09\u300d\u306a\u306e\u304b\u300c\u2212\uff08\u3072\u304f\uff09\u300d\u306a\u306e\u304b\u3001\u8a08\u7b97\u306e\u8a18\u53f7\u3092\u307e\u3061\u304c\u3048\u306a\u3044\u3088\u3046\u306b\u5f0f\u3092\u3088\u304f\u898b\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>1. \u6570\u306e\u5206\u89e3\u3092\u4f7f\u3046\u3068\u901f\u304f\u306a\u308b<\/h3>\n<p>\u300c10\u306f2\u3068\u3044\u304f\u3064\u304b\u306a\uff1f\u300d\u300c8\u306f5\u3068\u3044\u304f\u3064\u304b\u306a\uff1f\u300d\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u524d\u306b\u7fd2\u3063\u305f\u300c\u3044\u304f\u3064\u3068\u3044\u304f\u3064\uff08\u6570\u306e\u5206\u89e3\uff09\u300d\u306e\u8003\u3048\u65b9\u3092\u4f7f\u3046\u3068\u8a08\u7b97\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>2. \u308f\u304b\u3089\u306a\u304f\u306a\u3063\u305f\u3068\u304d\u306f\u56f3\u3067\u78ba\u304b\u3081\u308b<\/h3>\n<p>\u25ef\u3092\u304b\u3044\u3066\u659c\u3081\u7dda\u3067\u6d88\u3059\u306a\u3069\u3001\u56f3\u3092\u304b\u3044\u3066\u78ba\u304b\u3081\u307e\u3057\u3087\u3046\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>\u3064\u304e\u306e \u3072\u304d\u3056\u3093\u3092 \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>6<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><mo>=<\/mo><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u3064\u304e\u306e \u3072\u304d\u3056\u3093\u3092 \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>10<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><\/math><\/div>\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>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>6<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><mo>=<\/mo><mn>4<\/mn><\/math><\/span><\/p>\n<p>\u5f15\u304d\u7b97\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u30026\u306e\u524d\u304b\u3089\u9806\u756a\u306b2\u3064\u3001\u58f0\u3092\u51fa\u3057\u306a\u304c\u3089\u6570\u3092\u6e1b\u3089\u3057\u3066\u307f\u308b\u3068\u300c5, 4\u300d\u3068\u306a\u308b\u306e\u3067<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>6<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><mo>=<\/mo><mn>4<\/mn><\/math><\/span>\u3068\u306a\u308a\u307e\u3059\u3002\u982d\u306e\u4e2d\u3060\u3068\u96e3\u3057\u3044\u5834\u5408\u306f\u81ea\u5206\u3067\u25ef\u3092\u63cf\u3044\u3066\u307f\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u306d\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span><\/p>\n<p>\u5f15\u304d\u7b97\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u300210\u306e\u524d\u304b\u3089\u9806\u756a\u306b4\u3064\u3001\u58f0\u3092\u51fa\u3057\u306a\u304c\u3089\u6570\u3092\u6e1b\u3089\u3057\u3066\u307f\u308b\u3068\u300c9, 8, 7, 6\u300d\u3068\u306a\u308b\u306e\u3067<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><mn>6<\/mn><\/math><\/span>\u3068\u306a\u308a\u307e\u3059\u300210\u306e\u5f15\u304d\u7b97\u3092\u3059\u308b\u6642\u306f10\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u601d\u3044\u51fa\u3057\u3066\u307f\u308b\u3068\u3001\u3088\u308a\u7d20\u65e9\u304f\u89e3\u3051\u307e\u3059\u3002\u305c\u3072\u7d44\u307f\u5408\u308f\u305b\u3082\u4e00\u7dd2\u306b\u899a\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/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>\u3064\u304e\u306e \u3072\u304d\u3056\u3093\u3092 \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>5<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><mo>=<\/mo><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u3064\u304e\u306e \u3072\u304d\u3056\u3093\u3092 \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>7<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f3<\/h3>\n<p>\u3064\u304e\u306e \u3072\u304d\u3056\u3093\u3092 \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>8<\/mn><mo>&#8211;<\/mo><mn>5<\/mn><mo>=<\/mo><\/math><\/div>\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>\u3072\u3060\u308a\u3068 \u307f\u304e\u306e \u3053\u305f\u3048\u304c \u304a\u306a\u3058\u306b \u306a\u308b \u304f\u307f\u3042\u308f\u305b\u3092\u3001\u305b\u3093\u3067 \u3064\u306a\u304e\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><\/math><\/span> \u30fb\u3000\u3000\u30fb <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span><\/p>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><\/math><\/span> \u30fb\u3000\u3000\u30fb <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>6<\/mn><\/math><\/span><\/p>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>3<\/mn><\/math><\/span> \u30fb\u3000\u3000\u30fb <span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span><\/p>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f2<\/h3>\n<p>\u25a1\u306b \u306f\u3044\u308b \u304b\u305a\u3092 \u3053\u305f\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>9<\/mn><mo>&#8211;<\/mo><mi>\u25a1<\/mi><mo>=<\/mo><mn>5<\/mn><\/math><\/div>\n<\/p><\/div>\n<div class=\"problem-card\">\n<h3 class=\"problem-card__num\">\u554f3<\/h3>\n<p>\u305f\u3057\u3056\u3093\u3068 \u3072\u304d\u3056\u3093\u306e \u3057\u308b\u3057\u3092 \u3088\u304f \u307f\u3066\u3001\u3051\u3044\u3055\u3093 \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>4<\/mn><mo>+<\/mo><mn>5<\/mn><mo>=<\/mo><\/math><\/div>\n<div class=\"risu-math risu-math--block\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><\/math><\/div>\n<div class=\"risu-math risu-math--block\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><mn>2<\/mn><mo>+<\/mo><mn>6<\/mn><mo>=<\/mo><\/math><\/div>\n<div class=\"risu-math risu-math--block\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"block\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>3<\/mn><mo>=<\/mo><\/math><\/div>\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>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>5<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><mo>=<\/mo><mn>4<\/mn><\/math><\/span><\/p>\n<p>\u5f15\u304d\u7b97\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u30025\u306e\u524d\u304b\u3089\u9806\u756a\u306b1\u3064\u3001\u58f0\u3092\u51fa\u3057\u306a\u304c\u3089\u6570\u3092\u6e1b\u3089\u3057\u3066\u307f\u308b\u3068\u300c4\u300d\u3068\u306a\u308b\u306e\u3067<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>5<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><mo>=<\/mo><mn>4<\/mn><\/math><\/span>\u3068\u306a\u308a\u307e\u3059\u3002\u96e3\u3057\u3044\u5834\u5408\u306f\u624b\u3092\u4f7f\u3063\u3066\u8003\u3048\u3066\u307f\u3066\u3082\u3044\u3044\u3067\u3059\u306d\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><mn>3<\/mn><\/math><\/span><\/p>\n<p>7\u306e\u524d\u304b\u3089\u9806\u756a\u306b4\u3064\u3001\u58f0\u3092\u51fa\u3057\u306a\u304c\u3089\u6570\u3092\u6e1b\u3089\u3057\u3066\u307f\u308b\u3068\u300c6, 5, 4, 3\u300d\u3068\u306a\u308b\u306e\u3067<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><mn>3<\/mn><\/math><\/span>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f3<\/h4>\n<p>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>5<\/mn><mo>=<\/mo><mn>3<\/mn><\/math><\/span><\/p>\n<p>8\u306e\u524d\u304b\u3089\u9806\u756a\u306b5\u3064\u3001\u58f0\u306b\u51fa\u3057\u306a\u304c\u3089\u6570\u3092\u6e1b\u3089\u3057\u3066\u307f\u308b\u3068\u300c7, 6, 5, 4, 3\u300d\u3068\u306a\u308b\u306e\u3067<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>5<\/mn><mo>=<\/mo><mn>3<\/mn><\/math><\/span>\u3068\u306a\u308a\u307e\u3059\u3002<\/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>\u7b54\u3048\uff1a<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>6<\/mn><\/math><\/span>\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span>\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>3<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span><\/p>\n<p>\u307e\u305a\u306f\u5de6\u3068\u53f3\u306e\u5f0f\u306b\u3064\u3044\u3066\u305d\u308c\u305e\u308c\u7b54\u3048\u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6307\u3092\u4f7f\u3063\u305f\u308a\u3001\u56f3\u3092\u63cf\u3044\u305f\u308a\u3001\u6570\u3048\u3066\u307f\u306a\u304c\u3089\u7b54\u3048\u3092\u51fa\u3059\u3068\u3001\u5de6\u306f\u4e0a\u304b\u3089\u300c4, 6, 7\u300d\u3001\u53f3\u306f\u4e0a\u304b\u3089\u300c7, 4, 6\u300d\u3068\u306a\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>8<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>6<\/mn><\/math><\/span>\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>7<\/mn><mo>&#8211;<\/mo><mn>1<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>8<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span>\u3001<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>3<\/mn><\/math><\/span>\u3068<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>2<\/mn><\/math><\/span>\u3092\u305d\u308c\u305e\u308c\u7dda\u3067\u7d50\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f2<\/h4>\n<p>\u7b54\u3048\uff1a4<\/p>\n<p><span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mi>\u25a1<\/mi><mo>=<\/mo><mn>5<\/mn><\/math><\/span>\u306e\u25a1\u306b\u5165\u308b\u6570\u3092\u6c42\u3081\u308b\u554f\u984c\u3067\u3059\u306d\u3002\u3078\u3063\u305f\u6570\u3092\u6c42\u3081\u308b\u306b\u306f\u3001\u306f\u3058\u3081\u306e\u6570\u304b\u3089\u6b8b\u308a\u306e\u6570\u3092\u5f15\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3064\u307e\u308a<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>5<\/mn><\/math><\/span>\u3092\u3059\u308b\u3068\u7b54\u3048\u306f4\u306b\u306a\u308b\u306e\u3067\u3001\u25a1\u306b\u5165\u308b\u6570\u306f4\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p><\/div>\n<div class=\"explanation-card\">\n<h4 class=\"explanation-card__num\">\u554f3<\/h4>\n<p>\u7b54\u3048\uff1a<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>4<\/mn><mo>+<\/mo><mn>5<\/mn><mo>=<\/mo><mn>9<\/mn><\/math><\/span>\u3001<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>9<\/mn><mo>&#8211;<\/mo><mn>4<\/mn><mo>=<\/mo><mn>5<\/mn><\/math><\/span>\u3001<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>2<\/mn><mo>+<\/mo><mn>6<\/mn><mo>=<\/mo><mn>8<\/mn><\/math><\/span>\u3001<br \/>\n\t\t\t<span class=\"risu-math risu-math--inline\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" display=\"inline\"><mn>10<\/mn><mo>&#8211;<\/mo><mn>3<\/mn><mo>=<\/mo><mn>7<\/mn><\/math><\/span><\/p>\n<p>\u300c\uff0b\u300d\u306f\u8db3\u3057\u7b97\u3001\u300c\u2212\u300d\u306f\u5f15\u304d\u7b97\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u305d\u308c\u305e\u308c\u8a08\u7b97\u3092\u884c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6307\u3092\u4f7f\u3063\u305f\u308a\u3001\u56f3\u3092\u63cf\u3044\u305f\u308a\u3001\u6570\u3048\u306a\u304c\u3089\u7b54\u3048\u3092\u51fa\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- \u5b66\u7fd2\u306e\u30a2\u30c9\u30d0\u30a4\u30b9 --><\/p>\n<aside class=\"advice-box\">\n<h2 class=\"advice-box__heading\">\u5b66\u7fd2\u306e\u30a2\u30c9\u30d0\u30a4\u30b9<\/h2>\n<div class=\"advice-box__body\">\n<p>\u3053\u3053\u3067\u306f\u5f15\u304d\u7b97\u306e\u8272\u3005\u306a\u8a08\u7b97\u554f\u984c\u3092\u884c\u3063\u3066\u3044\u304d\u307e\u3057\u305f\u3002\u6700\u521d\u306f\u6307\u3084\u56f3\u3092\u4f7f\u3044\u306a\u304c\u3089\u3001\u6bb5\u3005\u982d\u306e\u4e2d\u3060\u3051\u3067\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong>\u7e70\u308a\u8fd4\u3057\u7df4\u7fd2\u3057\u3066\u8eab\u306b\u3064\u3051\u308b<\/strong>\uff1a\u6700\u521d\u306f\u6307\u3084\u56f3\u3092\u4f7f\u3063\u305f\u308a\u3001\u6570\u3092\u6570\u3048\u306a\u304c\u3089\u6c42\u3081\u3066\u3044\u304d\u3001\u6bb5\u3005\u982d\u306e\u4e2d\u3060\u3051\u3067\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<li><strong>10\u306e\u5f15\u304d\u7b97\u306f\u7d44\u307f\u5408\u308f\u305b\u3092\u899a\u3048\u308b<\/strong>\uff1a10\u306e\u88dc\u6570\uff081\u30689\u30012\u30688\u30013\u30687\u30014\u30686\u30015\u30685\uff09\u3092\u899a\u3048\u3066\u304a\u304f\u3068\u300110\u304c\u3089\u307f\u306e\u5f15\u304d\u7b97\u304c\u3059\u3070\u3084\u304f\u89e3\u3051\u307e\u3059\u3002<\/li>\n<\/ul><\/div>\n<\/aside>\n<p><!-- body-end --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>10\u307e\u3067\u306e\u5f15\u304d\u7b97\u3068\u306f\u306a\u306b\u304b \u3053\u3053\u307e\u3067\u5b66\u7fd2\u3057\u305f\u300c\u306e\u3053\u308a\u306f\u3044\u304f\u3064\u300d\u3084\u300c\u3061\u304c\u3044\u306f\u3044\u304f\u3064\u300d\u306e\u8003\u3048\u65b9\u3092\u4f7f\u3063\u3066\u3001\u5f15\u304b\u308c\u308b\u6570\u304c10\u307e\u3067\u306b\u306a\u308b\u5f15\u304d\u7b97\u3092\u305f\u304f\u3055\u3093\u7df4\u7fd2\u3057\u3001\u8a08\u7b97\u529b\u3092\u304d\u305f\u3048\u307e\u3057\u3087\u3046\u3002\u6700\u521d\u306f\u6307\u3084\u56f3\u3092\u4f7f\u3063\u3066\u6570\u3048\u3066\u3082\u304b\u307e\u3044\u307e\u305b\u3093\u304c\u3001\u4f55 [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"_risu_difficulty":0,"footnotes":""},"grade":[2],"unit":[15],"class_list":["post-130","drill","type-drill","status-publish","hentry","grade-grade1","unit-subtraction"],"_links":{"self":[{"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/drill\/130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/drill"}],"about":[{"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/types\/drill"}],"version-history":[{"count":4,"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/drill\/130\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/drill\/130\/revisions\/158"}],"wp:attachment":[{"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/media?parent=130"}],"wp:term":[{"taxonomy":"grade","embeddable":true,"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/grade?post=130"},{"taxonomy":"unit","embeddable":true,"href":"https:\/\/www.risu-japan.com\/drill\/wp-json\/wp\/v2\/unit?post=130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}