解方程: 5(x+2)=-(2x-7)
x-2[x-6(x+1)-4]=11/3(x+1)+1/4(x+2)+1/5(x+3)=4-1/6(x+4)3/2[2/3(1/4x+1)+2]-2又1/2=2/3x...
x-2[x-6(x+1)-4]=1
1/3(x+1)+1/4(x+2)+1/5(x+3)=4-1/6(x+4)
3/2[2/3(1/4x+1)+2]-2又1/2=2/3x 展开
1/3(x+1)+1/4(x+2)+1/5(x+3)=4-1/6(x+4)
3/2[2/3(1/4x+1)+2]-2又1/2=2/3x 展开
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