{"id":14386,"date":"2022-01-28T01:00:09","date_gmt":"2022-01-27T16:00:09","guid":{"rendered":"https:\/\/www.fruitfulenglish.com\/blog\/?p=14386"},"modified":"2022-01-26T23:36:31","modified_gmt":"2022-01-26T14:36:31","slug":"cave-8","status":"publish","type":"post","link":"https:\/\/www.fruitfulenglish.com\/blog\/cave-8\/","title":{"rendered":"\u30d3\u30b8\u30cd\u30b9\u82f1\u8a9e\u3067\u3082\u5fc5\u8981\uff014560\u306e845\u4e57\u3092\u82f1\u8a9e\u3067\u8aad\u3081\u307e\u3059\u304b\uff1f\u3010\u5fdc\u7528\u6570\u5b66\u7de8\u3011"},"content":{"rendered":"<p>\u65c5\u884c\u304c\u597d\u304d\u3067\u8da3\u5473\u304c\u4ed5\u4e8b\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u5143\u6d77\u5916\u6dfb\u4e57\u54e1\u517c\u82f1\u8a9e\u306e\u901a\u8a33\u30ac\u30a4\u30c9\u306e\u79c1\u304c\u3001\u82f1\u8a9e\u306e\u4fbf\u5229\u8868\u73fe\u3084\u5b66\u7fd2\u65b9\u6cd5\u306a\u3069\u306e\u60c5\u5831\u3092\u767a\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u524d\u56de\u306b\u5f15\u304d\u7d9a\u304d<strong>\u6570\u5b66\u306e\u82f1\u8a9e\u8868\u73fe\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b<\/strong>\u3092\u66f8\u304d\u307e\u3059\u3002<\/p>\n<p>\u79c1\u306f\u6614\u304b\u3089\u6570\u5b66\u304c\u82e6\u624b\u3067\u3059\u304c\u3001\u305d\u306e\u305b\u3044\u304b\u3001\u6570\u5b66\u5f0f\u306a\u3069\u306b\u3064\u3044\u3066\u82f1\u8a9e\u3067\u306a\u3093\u3066\u8a00\u3046\u304b\u306e\u52c9\u5f37\u3092\u758e\u304b\u306b\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002<br \/>\n\u81ea\u6212\u306e\u5ff5\u3092\u8fbc\u3081\u306a\u304c\u3089\u3001\u79c1\u304c\u52c9\u5f37\u3057\u305f\u5185\u5bb9<strong>\u3010\u5fdc\u7528\u6570\u5b66\u7de8\u3011<\/strong>\u3092\u4eca\u56de\u30b7\u30a7\u30a2\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u57fa\u790e\u3092\u99c6\u4f7f\u3057\u3066\u9811\u5f35\u308d\u3046\uff01\u5fdc\u7528\u6570\u5f0f\u306e\u82f1\u8a9e\u8868\u73fe<\/h2>\n<p><a href=\"https:\/\/www.fruitfulenglish.com\/blog\/cave-8\/\" target=\"_blank\" rel=\"noopener\">\u524d\u56de\u306e\u57fa\u790e\u7de8\u3067\u30b7\u30a7\u30a2\u3057\u307e\u3057\u305f\u3001\u8db3\u3057\u7b97\u3001\u5f15\u304d\u7b97\u3001\u639b\u3051\u7b97\u3001\u5272\u308a\u7b97\u3001\u5c0f\u6570\uff08decimals\uff09\u3001\u5206\u6570\uff08fractions\uff09\u306e\u77e5\u8b58<\/a>\u3092\u30d5\u30eb\u52d5\u54e1\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\uff01<\/p>\n<h3>\u6587\u5b57\u5f0f\uff08literal expression\uff09<\/h3>\n<p>ax+cx=c<br \/>\na x plus c x equals (is) c<\/p>\n<p>9cx \u2013 89 by + 100 cx = bc<br \/>\nNine cx minus eighty-nine by plus one hundred cx equals (is) bc<\/p>\n<p>4b \/ c<br \/>\nFour b over c<\/p>\n<p>\u203b\uff1d\u306fequals \u3067\u3082 is \u3067\u3082\uff2f\uff2b\u3067\u3059\u3002<br \/>\n\u203b\u5206\u6bcd\u304c\u6587\u5b57\u5f0f\u306e\u5834\u5408\u3001\u57fa\u672c\u30eb\u30fc\u30eb\u306e\u5206\u5b50\u2192\u5206\u6bcd\u306e\u9806\u756a\u3067\u8aad\u3080\u30eb\u30fc\u30eb\u306b\u52a0\u3048\u3066\u5206\u5b50\u3068\u5206\u6bcd\u306e\u9593\u3092over\u3067\u7e4b\u304e\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u5c11\u3057\u4f8b\u3092\u6319\u3052\u307e\u3059\u3002<\/p>\n<p>4560 x \/ abc<br \/>\nFour thousand five hundred and sixty x over abc<br \/>\naby x \/ 43 xyc<br \/>\naby x over forty-three xyc<\/p>\n<p>50.24 + 89 \/ b \u00f7 ab \/ xy = vx<br \/>\nFifty point two four plus eighty-nine over b divided by ab over xy equals vx<br \/>\n\u6587\u5b57\u5f0f\u306f\u305d\u306e\u307e\u307e\u8aad\u3093\u3067\u3044\u3051\u3070\u826f\u3044\u3060\u3051\u3067\u3059\u3002\u5206\u6570\u304c\u5165\u3063\u3066\u304d\u305f\u3089\u3001\u300cover\u306e\u30eb\u30fc\u30eb\u300d\u306b\u5f93\u3063\u3066\u3001\u843d\u3061\u7740\u3044\u3066\u8aad\u3093\u3067\u3044\u304f\u306e\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u7d2f\u4e57\uff08power\uff09<\/h3>\n<p>\u7d2f\u4e57\u306f\u898b\u305f\u76ee\u7684\u306b\u3082\u8aad\u307f\u306b\u304f\u305d\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3092\u6301\u3064\u306e\u306f\u79c1\u3060\u3051\u3067\u3057\u3087\u3046\u304b\u3002\u3057\u304b\u3057\uff01\u30eb\u30fc\u30eb\u306b\u5f93\u3044\u843d\u3061\u7740\u3044\u3066\u8aad\u3093\u3067\u3044\u3051\u3070\u5927\u4e08\u592b\u3067\u3059\u3002\u5e95\uff08base\uff09\u306e\u5f8c\u306b\u6307\u6570\uff08exponent\uff09\u90e8\u5206\u3092\u3001to the number + th (power)\u306e\u5f62\u3067\u8aad\u307f\u307e\u3059\u3002\u305d\u3057\u3066\u6700\u5f8c\u306epower\u306f\u7701\u7565\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>9<sup>7<\/sup> Nine to the seventh (power)<br \/>\n4<sup>5<\/sup> Four to the fifth (power)<br \/>\n6<sup>-5<\/sup> Six to the minus fifth (power)<br \/>\n4560<sup>845<\/sup> Four thousand five hundred and sixty to the eight hundred and forty-fifth power<\/p>\n<p>\u306a\u3093\u3060\u3001\u7c21\u5358\u3060\u306d\uff01\u3068\u601d\u3046\u65b9\u3082\u591a\u3044\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\uff01\u7d2f\u4e57\u306b\u306f\u4ee5\u4e0b\u306eplus\u30eb\u30fc\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>10<sup>2<\/sup> ten squared<br \/>\n10<sup>3<\/sup> ten cubed<br \/>\n25<sup>2<\/sup> twenty-five squared<br \/>\n49876<sup>3<\/sup> forty-nine thousand eight hundred and seventy-six cubed<\/p>\n<p>2\u4e57\u306e\u5834\u5408\u306f squared \u30013\u4e57\u306e\u5834\u5408\u306f cubed \u304c\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u3061\u306a\u307f\u306b\uff12\u4e57\u3059\u308b\u3068\u3044\u3046\u52d5\u8a5e\u306fsquare\u3001\u4ed6\u306e\u8868\u73fe\u3068\u3057\u3066\u306fraise \u2460 to the second power\u30013\u4e57\u3059\u308b\u3068\u3044\u3046\u52d5\u8a5e\u306f cube\u3001\u4ed6\u306e\u8868\u73fe\u3068\u3057\u3066\u306fraise \u2460 to the third power \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6839\u53f7\uff08radical sign\uff09<\/h3>\n<p>\u6839\u53f7\uff08\u30eb\u30fc\u30c8\uff09\u3067\u3059\u3002\u79c1\u3068\u540c\u3058\u3001\u6570\u5b66\u306b\u82e6\u624b\u610f\u8b58\u3092\u304a\u6301\u3061\u306e\u65b9\u306f\u221a\u3068\u805e\u304for \u898b\u308b\u3060\u3051\u3067\u62b5\u6297\u611f\u304c\u3042\u308b\u3053\u3068\u304b\u3068\u5b58\u3058\u307e\u3059\u3002\u7d50\u8ad6\u304b\u3089\u7533\u3057\u4e0a\u3052\u308b\u3068\u82f1\u8a9e\u3067\u3082\u3081\u3093\u3069\u304f\u3055\u3044\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u907f\u3051\u3066\u306f\u901a\u308c\u307e\u305b\u3093\u3002\u9811\u5f35\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4>\u5e73\u65b9\u6839\uff08square root\uff09<\/h4>\n<p>\u304a\u305d\u3089\u304f\u3001\u30eb\u30fc\u30c8\u8a08\u7b97\u3068\u3044\u3048\u3070\u3001\u307e\u305a\u306f\u3053\u3053\u304b\u3089\u306f\u3058\u307e\u3063\u305f\u3068\u8a18\u61b6\u3057\u3066\u3044\u307e\u3059\u3002\u221a\u306e\u5de6\u306b\u5c0f\u3055\u3044\u6570\u5b57\uff08\u6570\u5b66\u304c\u3067\u304d\u306a\u3044\u79c1\u306e\u8868\u73fe\u65b9\u6cd5\uff09\u304c\u7121\u3044\u5834\u5408\u3001\u65e5\u672c\u8a9e\u3067\u8a00\u3046\u300c\u30eb\u30fc\u30c8\u3007\u3007\u300d\u306f\u3001<strong>the square root of \u3007\u3007<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u221a5 The square root of five<br \/>\n\u221a8 The square root of eight<br \/>\n\u221a3 The square root of three<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u5e73\u65b9\u6839\u3068\u306f\u300c2\u4e57\u3057\u3066a\u306b\u306a\u308b\u6570\u300d\u3067\u3059\u3002a\u3068\u306f\u3001\u221aa \u3067\u3059\u3002\u3059\u307f\u307e\u305b\u3093\u3001\u3053\u306e\u3042\u305f\u308a\u304b\u3089\u79c1\u306e\u982d\u306f\u3064\u3044\u3066\u3044\u304d\u307e\u305b\u3093\u304c\u30fb\u30fb\u30fb\u3002\u79c1\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u7acb\u65b9\u6839\u3092\u898b\u305f\u6642\u306b\u5c11\u3057\u7406\u89e3\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u7acb\u65b9\u6839\uff08cube root\uff09<\/h4>\n<p>\u7acb\u65b9\u6839\u3068\u306f\u300c3\u4e57\u3057\u3066a\u306b\u306a\u308b\u6570\u300d\u3067\u3059\u3002\u6570\u5b66\u82e6\u624b\u306e\u79c1\u3068\u3057\u3066\u306f\u221a\u306e\u5de6\u6a2a\u306b\uff13\u304c\u3042\u308b\u5834\u5408\u306f\u7acb\u65b9\u6839\u3067\u3001\u3053\u308c\u3092\u8aad\u3080\u5834\u5408\u3001the cube root of \u3007\u3007\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001<br \/>\n3\u221a2<br \/>\n\u306fthe cube root of two \u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4>\u25a0\u25a0\u4e57\u6839\uff08number + th root\uff09<\/h4>\n<p>\u7acb\u65b9\u6839\u306e\u6b21\u306f\u540c\u3058\u30eb\u30fc\u30eb\u306b\u5f93\u3044\u3001\u300c\u25a0\u25a0\u4e57\u3057\u3066a\u306b\u306a\u308b\u6570\u300d\u3068\u306a\u308a\u307e\u3059\u3002\u82f1\u8a9e\u3067\u8868\u73fe\u3059\u308b\u306a\u3089\u3001the number + th root of \uff5e\u306e\u5f62\u3067\u8aad\u307f\u307e\u3059\u3002<\/p>\n<p>4\u221a7<br \/>\nThe fourth root of seven<\/p>\n<p>8\u221a3<br \/>\nThe eighth root of three<\/p>\n<p>&nbsp;<\/p>\n<h2>\u6570\u5b57\u3084\u6570\u5b66\u5f0f\u3092\u82f1\u8a9e\u3067\u4f1d\u3048\u308b\u306e\u96e3\u3057\u3044\uff01<\/h2>\n<p>\u4eca\u56de\u306e\u7b97\u6570\u306e\u554f\u984c\u306f\u8a08\u7b97\u3068\u3057\u3066\u306f\u7c21\u5358\u3067\u8ab0\u3082\u304c\u51fa\u6765\u308b\u5185\u5bb9\u3060\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3067\u3044\u305f\u3060\u3044\u3066\u3044\u308b\u65b9\u3067\u3001\u306f\u305f\u3057\u3066\u4f55\u4eba\u304c\u3001\u300c\u4f59\u308a\u25cf\u25cf\u300d\u3084\u5206\u6570\u300cfractions\u300d\u3001\u5c11\u6570\u300cdecimals\u300d\u3092\u5373\u7b54\u3067\u82f1\u8a9e\u306b\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u5148\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001\u79c1\u306f\u7b97\u6570\u5206\u91ce\u306e\u82f1\u8a9e\u3092\u304d\u3061\u3093\u3068\u52c9\u5f37\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304b\u3089\u3001\u3044\u305a\u308c\u3082\u5373\u7b54\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u79c1\u3068\u540c\u3058\u3088\u3046\u306a\u65b9\u306b\u5171\u611f\u3044\u305f\u3060\u304d\u3001\u5c11\u3057\u3067\u3082\u52c9\u5f37\u306b\u306a\u3063\u305f\u3068\u601d\u3063\u3066\u3044\u305f\u3060\u3051\u305f\u3089\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001\u4ee5\u4e0b\u3001\u3088\u304f\u51fa\u3066\u304f\u308b\u96e3\u3057\u3044\u6570\u5f0f\u306e\u8aad\u307f\u65b9\u3092\u53c2\u8003\u307e\u3067\u306b\u6dfb\u4ed8\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u4e8c\u6b21\u65b9\u7a0b\u5f0f\u306e\u89e3\u306e\u516c\u5f0f<\/h3>\n<p>\uff38 \uff1d -b\u00b1\u221ab2-4ac\/2a<br \/>\nx equals minus b plus or minus the square root of b squared minus four a c over two a<\/p>\n<p>\u203b\u6587\u5b57\u5f0f\u3067\u5206\u6570\u306e\u5834\u5408\u3001over\u3092\u4f7f\u3046\u3068\u3044\u3046\u30eb\u30fc\u30eb\u306b\u6ce8\u76ee\uff01<br \/>\n\u203b\u221a\u306e\u5de6\u5074\u306b\u5c0f\u3055\u3044\u6570\u5b57\u304c\u4f55\u3082\u306a\u3051\u308c\u3070square root of \u3092\u4f7f\u3046\uff01<br \/>\n\u203b\u00b1\u306fplus or minus\u3068\u3044\u3046\u8aad\u307f\u65b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u56e0\u6570\u5206\u89e3\uff08factorization\uff09<\/h3>\n<p>\uff08\u4eca\u56de\u3084\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u57fa\u790e\u304c\u3067\u304d\u308c\u3070\u5f8c\u306f\u6163\u308c\u308b\u3060\u3051\uff01\uff09<\/p>\n<p>a<sup>3<\/sup>\u00b1b<sup>3<\/sup>=(a\u00b1b)(a<sup>2<\/sup>\u00b1ab+b<sup>2<\/sup>)<\/p>\n<p>a cubed plus or minus b cubed equals a plus or minus b times a squared minus or plus a b plus b squared, respectively.<br \/>\n\u203b respectively \u306f\u300c\u305d\u308c\u305e\u308c\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u00b1\u304c\u305d\u308c\u305e\u308c\u3053\u306e\u9806\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65c5\u884c\u304c\u597d\u304d\u3067\u8da3\u5473\u304c\u4ed5\u4e8b\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u5143\u6d77\u5916\u6dfb\u4e57\u54e1\u517c\u82f1\u8a9e\u306e\u901a\u8a33\u30ac\u30a4\u30c9\u306e\u79c1\u304c\u3001\u82f1\u8a9e\u306e\u4fbf\u5229\u8868\u73fe\u3084\u5b66\u7fd2\u65b9\u6cd5\u306a\u3069\u306e\u60c5\u5831\u3092\u767a\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u524d\u56de\u306b\u5f15\u304d\u7d9a\u304d\u6570\u5b66\u306e\u82f1\u8a9e\u8868\u73fe\u306b\u3064\u3044\u3066\u306e\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3059\u3002 \u79c1\u306f\u6614\u304b\u3089\u6570\u5b66\u304c\u82e6\u624b\u3067\u3059\u304c\u3001\u305d\u306e\u305b\u3044\u304b\u3001\u6570\u5b66\u5f0f\u306a\u3069\u306b\u3064\u3044\u3066\u82f1\u8a9e\u3067\u306a\u3093\u3066\u8a00\u3046\u304b\u306e\u52c9\u5f37\u3092\u758e\u304b\u306b\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u6c17\u4ed8\u304d\u307e\u3057\u305f\u3002 \u81ea\u6212\u306e\u5ff5\u3092\u8fbc\u3081\u306a\u304c\u3089\u3001\u79c1\u304c\u52c9\u5f37\u3057\u305f\u5185\u5bb9\u3010\u5fdc\u7528\u6570\u5b66\u7de8\u3011\u3092\u4eca\u56de\u30b7\u30a7\u30a2\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002 &#038;&#8230;<\/p>\n","protected":false},"author":76,"featured_media":14387,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[441,5],"tags":[548,145,214,614,22,312],"class_list":["post-14386","post","type-post","status-publish","format-standard","has-post-thumbnail","category-word","category-learning","tag-548","tag-145","tag-214","tag-614","tag-22","tag-312","article 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