(8.7-0.25-0.25)x[(0.7-0.1)x2+0.3]-(0.55-0.1)x0.25x2 等于多少 谁帮我算下

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x-0.25x=0. X-0.25x=0. X-0.25x=0. x-0.25x=2.8+0. 0.25x （x-4)-(x+4)=0.25x 66=X+0.25X求X 0.25x+3.6=x解x x-0.25=0.25x x-0.25x+1=10.4x+0.25x-1 x-0.25x=48 x-35%x=0.25 x-1.75x=0.25 x-0.25x=15 x-0.25x=2.4 (x-3.6)/x=0.25 x-12=0.25x 12.5-0.25X=X