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9.6/(1+88.2%)和7.5/(1+27.1%)如何快速判断大小,有哪些好方法,
人气:488 ℃ 时间:2020-06-25 14:59:35
解答
9.6/(1+88.2%) ÷ 7.5/(1+27.1%)
= 9.6/(1+88.2%) × (1+27.1%)/7.5
= 9.6/1.882 × 1.271/7.5
= (9.6 × 1.271) / (7.5 × 1.882)
= (96×1271) / (75×1882)
= (48×1271) / (75×941)
= (16×1271) / (25×941)
= 20336 / 23525
< 1

9.6/(1+88.2%) < 7.5/(1+27.1%)还有没有更快的解决办法 ,最好是一眼便知,5-10秒之内。只能除,没他法
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