5/8米长的绳子减去3/4,剪去了多少米?还剩多少米?
5/8米长的绳子减去3/4,剪去了多少米?还剩多少米?
数学人气:515 ℃时间:2020-02-04 09:15:48
优质解答
5/8X3/4=15/32 剩下:1-15/32=17/32
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