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8分之3:0.24 0.65:0.13 39:91 求比值并求化简比
人气:108 ℃ 时间:2019-08-18 15:08:09
解答
8分之3:5分之3
=3/8×5/3
=5:8
=5/8
5分之4:0.24
=80:24
=10:3
=10/3
0.65:0.13
=65:13
=5:1
=5
39:91
=3:7
=3/7
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