写出下面比例(1)3.5 20 0.7 4 ______________________________________________________ (2)24 36 48 72 ______________________________________________________ (3)2/3 1/4 3/8 1 ______________
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写出下面比例(1)3.5 20 0.7 4 ______________________________________________________ (2)24 36 48 72 ______________________________________________________ (3)2/3 1/4 3/8 1 ______________
写出下面比例
(1)3.5 20 0.7 4
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(2)24 36 48 72
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(3)2/3 1/4 3/8 1
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(4)7.2 4.8 3 2
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写出下面比例(1)3.5 20 0.7 4 ______________________________________________________ (2)24 36 48 72 ______________________________________________________ (3)2/3 1/4 3/8 1 ______________
1.35:200:7:40 2.2:3:4:6 3.16:6:9:24 4.36:24:15:10