2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+2x-56=162x+1.5x2=64(x+0.8)=7.2(5x-12)÷3=102x+7=33的方程检验

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2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+2x-56=162x+1.5x2=64(x+0.8)=7.2(5x-12)÷3=102x+7=33的方程检验
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2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+2x-56=162x+1.5x2=64(x+0.8)=7.2(5x-12)÷3=102x+7=33的方程检验
2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+
2x-56=16
2x+1.5x2=6
4(x+0.8)=7.2
(5x-12)÷3=10
2x+7=33
的方程检验

2x-56=16 2x+1.5x2=6 4(x+0.8)=7.2 (5x-12)÷3=10 2x+2x-56=162x+1.5x2=64(x+0.8)=7.2(5x-12)÷3=102x+7=33的方程检验