题目内容
计算:
(1)(8a4b3c)÷(2a2b3)·(-
a3bc2);
(2)[12(x+y)3(y-x)]3÷[4(x+y)2(x-y)]2;
(3)(a-b-c)(a-b+c);
(4)(x+2)(x-2)(x2+4)(x4+16).
答案:
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题目内容
计算:
(1)(8a4b3c)÷(2a2b3)·(-
a3bc2);
(2)[12(x+y)3(y-x)]3÷[4(x+y)2(x-y)]2;
(3)(a-b-c)(a-b+c);
(4)(x+2)(x-2)(x2+4)(x4+16).