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数学
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分数简便运算:128*136/127,
除法前面是分子,后面是分母,要写这么算的
人气:469 ℃ 时间:2020-05-13 01:16:56
解答
128*136/127
=(127+1)*136/127
=127*136/127+136/127
=136+1又9/127
=137又9/127对不起,题打错了,是128*126/127128*126/127=(127+1)*126/127=127*126/127+126/127=126+126/127=126又126/127
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