0.3÷0.5=(x+1)÷(2x-1)
6个回答
0.3/0.5=x+1/2x-1
0.5(x+1)=0.3(2x-1)
0.5x+0.5=0.6x-0.3
0.6x-0.5x=0.5+0.3
0.1x=0.8
x=8
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