来自甘杰夫的问题
【根号2、根号3、根号5、根号7分别等于多少,怎样才能记住】
根号2、根号3、根号5、根号7分别等于多少,怎样才能记住
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2020-12-06 17:33
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孟明莘
根号2=1.414
根号3=1.732
根号5=2.236
根号6=2.450
根号7=2.646
根号8=2.828
根号10=3.162
一天看一遍不出一个礼拜基本上就背过了熟能生巧
2020-12-06 17:36:23
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