x-0.25=0.25x
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x-0.25=0.25x
x-0.25=0.25x
x-0.25=0.25x
x-0.25=0.25x
化为x-0.25x=0.25即0.75x.=0.25所以x=0.25/0.75=1/3=0.333333
3x/4=1/4
x=1/3
x-0.25=0.25x
0.75x=0.25
x=1/3
0.75X=0.25,X=0.3333333
x=0.5
x-0.25x=0.25
0.75x=0.25
x=1/3