解方程:3(4x-1)=7(2x-1)+1 ②4x-3(20-x)=5x-7(20-x) ③x-2解方程:3(4x-1)=7(2x-1)+1②4x-3(20-x)=5x-7(20-x)③x-2/6-x-2/3=1+x-/2④5x-0.4/0.3+1.3-3x/2=1.8-8x/1.2

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解方程:3(4x-1)=7(2x-1)+1 ②4x-3(20-x)=5x-7(20-x) ③x-2解方程:3(4x-1)=7(2x-1)+1②4x-3(20-x)=5x-7(20-x)③x-2/6-x-2/3=1+x-/2④5x-0.4/0.3+1.3-3x/2=1.8-8x/1.2

解方程:3(4x-1)=7(2x-1)+1 ②4x-3(20-x)=5x-7(20-x) ③x-2解方程:3(4x-1)=7(2x-1)+1②4x-3(20-x)=5x-7(20-x)③x-2/6-x-2/3=1+x-/2④5x-0.4/0.3+1.3-3x/2=1.8-8x/1.2
解方程:3(4x-1)=7(2x-1)+1 ②4x-3(20-x)=5x-7(20-x) ③x-2
解方程:3(4x-1)=7(2x-1)+1
②4x-3(20-x)=5x-7(20-x)
③x-2/6-x-2/3=1+x-/2
④5x-0.4/0.3+1.3-3x/2=1.8-8x/1.2

解方程:3(4x-1)=7(2x-1)+1 ②4x-3(20-x)=5x-7(20-x) ③x-2解方程:3(4x-1)=7(2x-1)+1②4x-3(20-x)=5x-7(20-x)③x-2/6-x-2/3=1+x-/2④5x-0.4/0.3+1.3-3x/2=1.8-8x/1.2