计算:5x-2[3x-2(3x+1)]
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计算:5x-2[3x-2(3x+1)]计算:5x-2[3x-2(3x+1)]计算:5x-2[3x-2(3x+1)]5x-2[3x-2(3x+1)]=5x-2[3x-6x-2]=5x+6x+4=11x+
计算:5x-2[3x-2(3x+1)]
计算:5x-2[3x-2(3x+1)]
计算:5x-2[3x-2(3x+1)]
5x-2[3x-2(3x+1)]
=5x-2[3x-6x-2]
=5x+6x+4
=11x+4
5x-2[3x-2(3x+1)]
=5x-6x+12x+4
=11x+4
5x-2[3x-2(3x+1)]
=5x-2(3x-6x-2)
=5x-2(-3x-2)
=5x+6x+4
=11x+4
是不是没把等式写完?
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