13/15×7/13等于多少?

2022-09-26 15:52

2022-09-26 16:20
解:13/15x7/13
=13/13x7/15
=1x7/15
=7/15
更多回答
13/15x7/13计算为:分之分母约分
=(13/15)x(7/13)
=7/15
=【13x7】/[15x13]
=7/15
原式=7/15
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