八分之三:七分之四=0.625:x

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八分之三:七分之四=0.625:x

3/8:4/7=0.625:x
3/8:4/7=5/8:x
21:32=35:x
21x=32×35
21x=1120
x=160/3

3/8:4/7=0.625:x
3/8:4/7=5/8:x
21:32=35:x
21x=32×35
21x=1120
x=160/

艺艺小糖,你好:
3/8:4/7=0.625:X
3/8:4/7=5/8:X
3/8 X=5/8×4/7
X=5/8×4/7×8/3
X=20/21