{"id":104,"date":"2023-07-17T04:05:25","date_gmt":"2023-07-17T04:05:25","guid":{"rendered":"https:\/\/mathority.org\/ja\/%e7%ae%97%e8%a1%93%e5%b9%b3%e5%9d%87%e8%a8%88%e7%ae%97%e6%a9%9f\/"},"modified":"2023-07-17T04:05:25","modified_gmt":"2023-07-17T04:05:25","slug":"%e7%ae%97%e8%a1%93%e5%b9%b3%e5%9d%87%e8%a8%88%e7%ae%97%e6%a9%9f","status":"publish","type":"post","link":"https:\/\/mathority.org\/ja\/%e7%ae%97%e8%a1%93%e5%b9%b3%e5%9d%87%e8%a8%88%e7%ae%97%e6%a9%9f\/","title":{"rendered":"\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u6a5f"},"content":{"rendered":"<p>\u7b97\u8853\u5e73\u5747\u3068\u306f\u4f55\u3067\u3059\u304b?\u307e\u305f\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b?\u5e73\u5747\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u4e00\u9023\u306e\u6570\u5024\u3092\u52a0\u7b97\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u5024\u306e\u6570\u3067\u5272\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u308b\u6570\u5024\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30c7\u30fc\u30bf 2\u30014\u30011\u3001\u304a\u3088\u3073 6 \u306e<strong>\u7b97\u8853\u5e73\u5747\u3092\u8a08\u7b97\u3057\u305f\u3044<\/strong>\u5834\u5408\u306f\u3001(2 + 4 + 1 + 5) \/ 4 = 3 \u3068\u3044\u3046\u8a08\u7b97\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u306e\u5f8c\u534a\u3067\u8aac\u660e\u3057\u307e\u3059\u3002\u4e00\u9023\u306e\u6570\u5024\u306e\u5e73\u5747\u3092\u6c42\u3081\u308b\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u6b21\u306e\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u30c4\u30fc\u30eb\u3092\u81ea\u7531\u306b\u5229\u7528\u3067\u304d\u308b\u306e\u3067\u3001\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\" id=\"calculadora-de-promedio-online\"><span id=\"Calculadora_de_promedio_online\">\u30aa\u30f3\u30e9\u30a4\u30f3\u5e73\u5747\u8a08\u7b97\u6a5f<\/span><\/h2>\n<p>\u4e00\u9023\u306e\u6570\u5024\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e<strong>\u30aa\u30f3\u30e9\u30a4\u30f3\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u30c4\u30fc\u30eb<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3001\u6f14\u7fd2\u306e\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u3001\u6b63\u3057\u304f\u89e3\u3051\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u4f7f\u3044\u65b9\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3001\u30bb\u30c3\u30c8\u3092\u69cb\u6210\u3059\u308b\u6570\u5024\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u5165\u529b\u3057\u3001\u8a08\u7b97\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u3059\u3002 <strong>10 \u9032\u6570<\/strong>\u306f\u5fc5\u305a (\u30ab\u30f3\u30de\u3067\u306f\u306a\u304f) \u30d4\u30ea\u30aa\u30c9\u3092\u4ed8\u3051\u3066\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><title>\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u6a5f<\/title><script language=\"javascript\"><\/p>\n<p>function MediaAritmetica (){\n        var numeros = document.getElementById('ValoresEntrada').value.split(',');\n        var suma = 0;\n        for (c in numeros){\n            suma += numeros[c]*1;\n        }\n        return document.getElementById('MediaAritmetica').innerText = suma\/numeros.length;\n    }<\/p>\n<p>function calcularMediaAritmetica() {\n  var input = document.getElementById('ValoresEntrada').value;\n  var numeros = [];\n  var numeroConcreto = 0; <\/p>\n<p>  for(var i = 0; i < input.length; i++) { \n    if (input[i] == ',') { \n      numeros.push(parseInt(input.substring(numeroConcreto,i))); \n      numeroConcreto = i + 1; \n    } else if (i == input.length - 1) { \n      numeros.push(parseInt(input.substring(numeroConcreto))); \n    }\n  }\n  document.getElementById('MediaAritmetica').innerText = 'La media aritm\u00e9tica es: ' + MediaAritmetica.apply(window, numeros);\n  }\n \n<\/script><\/p>\n<form id=\"formMediaAritmetica\" name=\"formMediaAritmetica\" style=\"padding-top: 1rem\"><input type=\"text\" id=\"ValoresEntrada\" name=\"ValoresEntrada\" size=\"30\" placeholder=\"33,5,12\" pattern=\"^\\d+[0-9,]+\\d+$\" required=\"\"><button type=\"button\" onclick=\"calcularMediaAritmetica()\">\u8a08\u7b97\u3059\u308b<\/button><\/p>\n<div id=\"MediaAritmetica\"><\/div>\n<\/form>\n<h2 class=\"wp-block-heading\" id=\"como-calcular-la-media-aritmetica\"><span id=\"Como_calcular_la_media_aritmetica\">\u7b97\u8853\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u304b?<\/span><\/h2>\n<p>\u7b97\u8853\u5e73\u5747\u306b\u306f\u3001\u4efb\u610f\u306e\u6570\u5024\u306e\u7cfb\u5217\u307e\u305f\u306f\u30bb\u30c3\u30c8\u306b\u57fa\u3065\u3044\u3066\u8a08\u7b97\u3067\u304d\u308b\u516c\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"374\" height=\"173\" src=\"https:\/\/mathority.org\/wp-content\/uploads\/2023\/07\/calculatrice-de-moyenne-arithmetique.webp\" data-src=\"\" alt=\"\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u6a5f\" class=\"wp-image-5683 lazyload\" srcset=\"\" sizes=\"auto, \"><figcaption class=\"wp-element-caption\">\u7b97\u8853\u5e73\u5747\u306e\u516c\u5f0f<\/figcaption><\/figure>\n<\/div>\n<p>\u305f\u3068\u3048\u3070\u3001\u4e00\u9023\u306e\u6570\u5024 [1\u30014\u30017\u30012\u30015\u300110] \u306e\u5e73\u5747\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5358\u7d14\u306b\u305d\u308c\u3089\u3092\u52a0\u7b97\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u4ee5\u524d\u306b\u52a0\u7b97\u3057\u305f\u5024\u306e\u6570\u3067\u5272\u308a\u307e\u3059\u3002( 1 + 4 + 7 + 3 + 5 + 10) \/ 6 = 5\u3002\u305f\u3060\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001<a href=\"https:\/\/mathority.org\/ja\/\u5ea6\u6570\u8868\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5ea6\u6570\u8868<\/a>\u306e\u5024\u306e\u7b97\u8853\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u540c\u3058\u516c\u5f0f\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5404\u6570\u5024\u306b\u305d\u306e\u51fa\u73fe\u56de\u6570 (\u305d\u306e<a href=\"https:\/\/mathority.org\/ja\/\u7d76\u5bfe\u5468\u6ce2\u6570\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u7d76\u5bfe\u983b\u5ea6<\/a>) \u3092\u639b\u3051\u3001N \u3092\u7d76\u5bfe\u983b\u5ea6\u306e\u5408\u8a08\u3068\u7b49\u3057\u304f\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001(1 x 4 + 3 x 2 + 5 x 4) \/ (4 + 2 + 4) = 3 \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5f0f\u306f\u3001N \u3068\u5e95 i \u306e\u5408\u8a08 (\u03a3 <sub>i<\/sub> <sup>N<\/sup> ) \u3092 N \u3067\u5272\u3063\u305f\u3082\u306e\u3068\u3057\u3066\u8868\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6700\u5f8c\u306e\u5f0f\u306f\u3001\u4e0a\u306e\u753b\u50cf\u3068\u540c\u3058\u3053\u3068\u3092\u5225\u306e\u65b9\u6cd5\u3067\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u901a\u5e38\u3001\u6570\u5b66\u306e\u6559\u79d1\u66f8\u306b\u591a\u304f\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3060\u304b\u3089\u3053\u305d\u77e5\u3063\u3066\u304a\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\" id=\"propiedades-de-la-media-aritmetica\"><span id=\"Propiedades_de_la_media_aritmetica\">\u7b97\u8853\u5e73\u5747\u306e\u6027\u8cea<\/span><\/h2>\n<ul>\n<li><strong>\u504f\u5dee\u306e\u5408\u8a08:<\/strong>\u5168\u4f53\u306e\u5e73\u5747\u304b\u3089\u306e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306e\u504f\u5dee\u306e\u5408\u8a08\u306f\u30bc\u30ed\u306b\u7b49\u3057\u304f\u3001\u3053\u306e\u7279\u6027\u304b\u3089\u6b21\u306e\u5f0f \u03a3(X <sub>i<\/sub> - x\u0304) = 0 \u3092\u63a8\u5b9a\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u504f\u5dee\u306e\u4e8c\u4e57\u548c:<\/strong>\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306e\u7b97\u8853\u5e73\u5747\u304b\u3089\u306e\u504f\u5dee\u306e\u4e8c\u4e57\u3092\u5408\u8a08\u3059\u308b\u3068\u3001\u6700\u5c0f\u306e\u6570\u5024\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3059\u308b\u3068\u3001\u03a3(X <sub>i<\/sub> - x\u0304) <sup>2<\/sup> \u2264 \u03a3(X <sub>i<\/sub> - a) <sup>2<\/sup> \u3001a \u2208 \u211d \u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u7b49\u4fa1\u7b97\u8853\u5e73\u5747:<\/strong>\u6570\u5024\u30bb\u30c3\u30c8\u3092\u69cb\u6210\u3059\u308b\u3059\u3079\u3066\u306e\u5024\u306b\u5024 x \u3092\u52a0\u7b97\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u6570\u5024\u306e\u5e73\u5747\u306f\u3001\u524d\u306e\u7b97\u8853\u5e73\u5747\u3068\u52a0\u7b97\u3055\u308c\u305f\u6570\u5024\u306e\u5408\u8a08\u306b\u7b49\u3057\u304f\u306a\u308a\u307e\u3059: x\u0304 = x\u0304 <sub>0<\/sub> + \u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u88fd\u54c1\u306e\u5834\u5408\u306b\u3082\u8d77\u3053\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"aplicaciones-del-promedio\"><span id=\"Aplicaciones_del_promedio\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5e73\u5747\u5316<\/span><\/h2>\n<p>\u4e00\u822c\u306b\u3001\u3053\u306e\u6570\u5b66\u7684\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066<strong>\u96c6\u5408\u306e\u4ee3\u8868\u5024<\/strong>\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u6570\u5024\u30b0\u30eb\u30fc\u30d7\u306e\u52d5\u4f5c\u3092\u7c21\u7565\u5316\u3057\u305f\u65b9\u6cd5\u3067\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30af\u30e9\u30b9\u306e\u5e73\u5747\u6210\u7e3e\u3092\u8a08\u7b97\u3059\u308b\u3068\u3001\u751f\u5f92\u306e\u7dcf\u6570\u3092\u793a\u3059\u30b9\u30b3\u30a2\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u3088\u308a\u6b63\u78ba\u306a\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u8907\u6570\u306e\u7d50\u679c\u3092\u53ce\u96c6\u3057\u3001\u305d\u308c\u3089\u3092\u5e73\u5747\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u79d1\u5b66\u5b9f\u9a13\u3067\u3082\u901a\u5e38\u306f\u5e73\u5747\u5316\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\" id=\"ejercicios-resueltos-de-la-media-aritmetica\"><span id=\"Ejercicios_resueltos_de_la_media_aritmetica\">\u7b97\u8853\u5e73\u5747\u3067\u89e3\u3051\u305f\u554f\u984c<\/span><\/h2>\n<p>\u6b21\u306b\u30013 \u3064\u306e\u4e3b\u8981\u306a\u30bf\u30a4\u30d7\u306e\u7b97\u8853\u5e73\u5747\u306b\u95a2\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u6f14\u7fd2\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3059\u3079\u3066\u3001<strong>\u3053\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u305f\u65b9\u6cd5<\/strong>\u3067\u89e3\u6c7a\u3055\u308c\u308b\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u4e0a\u8a18\u306e\u8a08\u7b97\u6a5f\u3068<a href=\"https:\/\/mathority.org\/ja\/\u30aa\u30f3\u30e9\u30a4\u30f3\u95a2\u6570\u96fb\u5353\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30aa\u30f3\u30e9\u30a4\u30f3\u8a08\u7b97\u6a5f<\/a>\u3092\u4f7f\u7528\u3057\u3066\u6570\u5024\u90e8\u5206 (\u8a08\u7b97) \u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6b21\u306e\u3053\u3068\u3092\u7df4\u7fd2\u3057\u3066\u3082\u3089\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\" id=\"media-aritmetica-basica\">\u57fa\u672c\u7684\u306a\u7b97\u8853\u624b\u6bb5<\/h3>\n<p><strong>\u6b21\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8 [2\u30015\u30013\u30017\u30016\u30011] \u306e\u7b97\u8853\u5e73\u5747\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u305d\u308c\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u540c\u3058\u6570\u5024\u30b0\u30eb\u30fc\u30d7\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3059\u3079\u3066 2 \u3092\u639b\u3051\u307e\u3059\u3002<\/strong><\/p>\n<p>\u6700\u521d\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u4e0a\u3067\u5c11\u3057\u30b3\u30e1\u30f3\u30c8\u3057\u305f\u5f0f<span style=\"font-size: inherit;\">x\u0304 =<\/span> (2 + 5 + 3 + 7 + 6 + 1) \/ 6 = 4 \u3092\u4f7f\u7528\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u305d\u3057\u3066\u30012 \u756a\u76ee\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u540c\u3058\u8a08\u7b97\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u5404\u6570\u5024\u306b 2 \u3092\u639b\u3051\u307e\u3059: (2 x 2 + 5 x 2 + 3 x 2 + 7 x 2 + 6 x 2 + 1 x 2) \/ 6 = 8\u3002\u3054\u89a7\u306e\u3068\u304a\u308a\u3001 2 \u756a\u76ee\u306e\u30b1\u30fc\u30b9\u3067\u306f\u5e73\u5747\u306e\u7d50\u679c\u304c 2 \u500d\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u540c\u7b49\u306e\u88fd\u54c1\u306e\u7279\u6027\u304c\u691c\u8a3c\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u4e88\u6e2c\u53ef\u80fd\u3067\u3057\u305f\u3002<\/p>\n<h3 class=\"wp-block-heading\" id=\"media-aritmetica-para-datos-agrupados\">\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u7b97\u8853\u5e73\u5747<\/h3>\n<p><strong>15 \u4eba\u306e\u751f\u5f92\u306e\u6570\u5b66\u306e\u6210\u7e3e\u306f\u30015\u30018\u30017\u30014\u30019\u30013\u30016\u30018\u30017\u30018\u30019\u30017\u30015\u30018\u30018 \u3067\u3059\u3002\u30af\u30e9\u30b9\u306e\u5e73\u5747\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p>\u3053\u306e\u5834\u5408\u3001\u30ea\u30b9\u30c8\u5185\u306b\u5404\u6570\u5024\u304c\u4f55\u56de\u51fa\u73fe\u3059\u308b\u304b\u3092\u6570\u3048\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u9069\u7528\u3055\u308c\u308b\u7b97\u8853\u5e73\u5747\u306e\u516c\u5f0f (\u7d76\u5bfe\u983b\u5ea6\u304c\u4ecb\u5165\u3059\u308b\u516c\u5f0f) \u3092\u4f7f\u7528\u3057\u3066\u8a08\u7b97\u3092\u89e3\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <span style=\"font-size: inherit;\">x\u0304 =<\/span> (3 x 1 + 4x1 + 5x2 + 6x1 + 7x3 + 8x5 + 9x2) \/ 15 = 6.8\u3002\u7d50\u8ad6\u3068\u3057\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u9ad8\u3044\u30b9\u30b3\u30a2\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4f4e\u3044\u5024\u306f\u5168\u4f53\u306e\u5e73\u5747\u306b\u975e\u5e38\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\" id=\"calculo-a-partir-de-una-media-conocida\">\u65e2\u77e5\u306e\u5e73\u5747\u304b\u3089\u306e\u8a08\u7b97<\/h3>\n<p><strong>2 \u3064\u306e\u6570\u5024\u306e\u5e73\u5747\u304c 9.25 \u3067\u30012 \u3064\u306e\u6570\u5024\u306e\u3046\u3061\u306e 1 \u3064\u304c 6 \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u30012 \u756a\u76ee\u306e\u6570\u5024\u306f\u4f55\u306b\u306a\u308a\u307e\u3059\u304b?<\/strong><\/p>\n<p> 2 \u756a\u76ee\u306e\u5024\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u6f14\u7fd2\u3067\u5e38\u306b\u4f7f\u7528\u3057\u305f\u5f0f (6 + x) \/ 2 = 9.25 \u306b\u57fa\u3065\u3044\u3066\u5f0f\u3092\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5f8c\u306b x \u3092\u5206\u96e2\u3057\u30012 \u756a\u76ee\u306e\u6570\u5024\u3068\u540c\u7b49\u306e\u6570\u5024\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001x = 12.5 \u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b97\u8853\u5e73\u5747\u3068\u306f\u4f55\u3067\u3059\u304b?\u307e\u305f\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b?\u5e73\u5747\u306f\u3001\u6307\u5b9a\u3055\u308c\u305f\u4e00\u9023\u306e\u6570\u5024\u3092\u52a0\u7b97\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u5024\u306e\u6570\u3067\u5272\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u308b\u6570\u5024\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30c7\u30fc\u30bf 2\u30014\u30011\u3001\u304a\u3088\u3073 6 \u306e\u7b97\u8853\u5e73\u5747\u3092\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306f\u3001(2 + &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/mathority.org\/ja\/%e7%ae%97%e8%a1%93%e5%b9%b3%e5%9d%87%e8%a8%88%e7%ae%97%e6%a9%9f\/\"> <span class=\"screen-reader-text\">\u7b97\u8853\u5e73\u5747\u8a08\u7b97\u6a5f<\/span> \u3082\u3063\u3068\u8aad\u3080 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