0.5(x-1)=0.25x怎么解?
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0.5(x-1)=0.25x怎么解?0.5(x-1)=0.25x怎么解?0.5(x-1)=0.25x怎么解?0.5(x-1)=0.25x0.5x-0.5=0.25x0.5x-0.25x=0.50.25
0.5(x-1)=0.25x怎么解?
0.5(x-1)=0.25x怎么解?
0.5(x-1)=0.25x怎么解?
0.5(x-1)=0.25x
0.5x-0.5=0.25x
0.5x-0.25x=0.5
0.25x=0.5
x=0.5/0.25=2
先去括号，变成0.5x-0.5=0.25x
移项 0.25x=0.5
求解 x=0.5/0.25=2
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