1.3分之1:2分之1 2.7分之5 3.1:8分之1 4.6分之7:3 化简
人气:345 ℃ 时间:2020-03-26 04:11:49
解答
3分之1:2分之1
=1\3*6:1\2*6
=2:3
5分之2:7分之5
=2\5*35:5\7*35
=14:25
1:8分之1
=1*8:1\8*8
=8:1
6分之7:3
=7\6*6:3*6
=7:18
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