求几道难一点的七下数学多项式乘多项式的题目
求几道难一点的七下数学多项式乘多项式的题目
如题,单项式乘单项式,或多项式也可以,关于乘法公式的也可以
如题,单项式乘单项式,或多项式也可以,关于乘法公式的也可以
数学人气:627 ℃时间:2020-04-01 23:29:08
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1.若a+b=3,a²b+ab²=-30,求a²+B²的值 2.巧解【4(X-2)²+12(X+2)(X-2)-8(X-1)²*(X-2)】÷4(X-2) 3.阅读下列材料:因为(X+3)(X-2)=X²+X-6,所以(X²+X-6)÷(X-2)=X+3 这说...
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