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18x+2(2x+1)=18-3(x+1)
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相关问题
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18X+3X-3=18-2(2X+1)
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1.(2/18-3/18-1/18)X36 2.(1/4-1/2-1/8)X128 3.[9X(-4)]X(-1/4)
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(X-X*20%-18-(X-X*20%-18)*10%=X*1/2-3(过程)
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3(x^2-1)^2+18(1-x^2)+27
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3(x+2)-4(x-1)+2(3x-1)-18=0
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3(x+2)-4(x-1)+2(3x-1)-18=0
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x/(x+3)-18/(x^2)-9=1
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(4x+18)/(3x+1)=2
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(x-3)(x-2)+18=(x+9)(x+1)
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解方程.(1)4x+18=50 (2)[1/4:18=x:110] (3)1.5x-x=1.