3/8比1/3=x比1/6 0.75/x=0.25/3 8/9比0.2=x比1.5 1/2比1/5=1/4比x 1.25比0.25=x/1.6

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3/8比1/3=x比1/60.75/x=0.25/38/9比0.2=x比1.51/2比1/5=1/4比x1.25比0.25=x/1.63/8比1/3=x比1/60.75/x=0.25/38/9比0.2

3/8比1/3=x比1/6 0.75/x=0.25/3 8/9比0.2=x比1.5 1/2比1/5=1/4比x 1.25比0.25=x/1.6
3/8比1/3=x比1/6 0.75/x=0.25/3 8/9比0.2=x比1.5 1/2比1/5=1/4比x 1.25比0.25=x/1.6

3/8比1/3=x比1/6 0.75/x=0.25/3 8/9比0.2=x比1.5 1/2比1/5=1/4比x 1.25比0.25=x/1.6
3/8比1/3=x比1/6
1/3x=3/8×1/6
1/3x=1/16
x=3/16
0.75/x=0.25/3
解0.25x=0.75×3
x=9
其他几题解法类似,请自己动手试试.

0.75/x=0.25/3
解0.25x=0.75×3
x=9