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七年级数学：怎么求(x+y)(2x+2y)²(3x+3y)³的值？幂的运算考题
七年级数学：怎么求(x+y)(2x+2y)²(3x+3y)³的值？幂的运算考题
初中数学，完全平方公式，基础训练，培优专题78/139
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