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
______________________________________________________
(3)2/3 _____1/4 ______3/8______ 1
______________________________________________________
(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) 3.5:20=0.7: 4
(2)24:36=48:72
(3)2/3:1/4=3/8:1
(4)7.2:4.8=3:2