4x-3(12-x)=6x-2(8-x)
4x-36+3x=6x-16+2x
4x+3x-2x=-16+36
5x=20
x=4
2.4-0.4分之(x-5)=0.05分之(1-2x)
2.4-2.5(x-5)=20(1-2x)
2.4-2.5x+12.5=20-40x
-2.5x+40x=20-14.9
37.5x=5.1
x=0.136
4x-3(12-x)=6x-2(8-x)
4x-3(12-x)=6x-2(8-x)
2.4-0.4分之(x-5)=0.05分之(1-2x)
2.4-0.4分之(x-5)=0.05分之(1-2x)
數(shù)學(xué)人氣:570 ℃時(shí)間:2020-06-15 11:21:01
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