x/(x-140)=5怎么解
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x/(x-140)=5怎么解
x/(x-140)=5怎么解
x/(x-140)=5怎么解
x/(x-140)=5
x=5(x-140)
4x=700
x=175
x/(x-140)=5
x=5(x-140)
x=5x-700
4x=700
x=175
x/(x-140)=5怎么解
x/(x-140)=5怎么解
x/(x-140)=5怎么解
x/(x-140)=5
x=5(x-140)
4x=700
x=175
x/(x-140)=5
x=5(x-140)
x=5x-700
4x=700
x=175