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计算:(7x^2-6x^2+3x)÷3x=
人气:297 ℃ 时间:2020-03-30 20:23:17
解答
(7x^2-6x^2+3x)÷3x
=(x^2+3x)÷3x
=x^2÷3x+3x÷3x
=x/3+1
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