题目内容
(3x+2y)(3x-2y)(9x2+4y2)(81x4+16y4)=________.
答案:
解析:
解析:
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(3x+2y)(3x-2y)(9x2+4y2)(81x4+16y4) =(9x2-4y2)(9x2+4y2)(81x4+16y4) =(81x4-16y4)(81x4+16y4)=6561x8-256y8. |
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