0.75/X=3/2解方程40%/X=120%/X解方程

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0.75/X=3/2解方程40%/X=120%/X解方程0.75/X=3/2解方程40%/X=120%/X解方程0.75/X=3/2解方程40%/X=120%/X解方程0.75/X=3/2X=0.75

0.75/X=3/2解方程40%/X=120%/X解方程
0.75/X=3/2解方程
40%/X=120%/X解方程

0.75/X=3/2解方程40%/X=120%/X解方程
0.75/X=3/2
X=0.75/(3/2)
X=0.75/1.5
X=0.5

0.75/X=3/2
x=0.75*2/3
x=1/2

答案~x=0.5

x=1.5/0.75=2