求比值的题3/4:7/8 3/5:0.27 3.5:2/5

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求比值的题3/4:7/83/5:0.273.5:2/5求比值的题3/4:7/83/5:0.273.5:2/5求比值的题3/4:7/83/5:0.273.5:2/53/4:7/8=6/8:7/8=6:7

求比值的题3/4:7/8 3/5:0.27 3.5:2/5
求比值的题
3/4:7/8 3/5:0.27 3.5:2/5

求比值的题3/4:7/8 3/5:0.27 3.5:2/5
3/4:7/8
=6/8:7/8
=6:7
3/5:0.27
=3/5:27/100
=60/100:27/100
=60:27
=20:9
3.5:2/5
=7/2:2/5
=35/10:4/10
=35:4