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2x+8x+8分之x²+2x+1÷(x+1)×x+1分之x²+x-2分式的乘除法
人气:276 ℃ 时间:2020-09-26 04:45:58
解答
2x²+8x+8分之x²+2x+1÷(x+1)×x+1分之x²+x-2
=(x+1)²/2(x+2)²*1/(x+1)*(x+2)(x-1)/(x+1)
=(x-1)/2(x+2)
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