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数学7上：1.25²×64，怎么简便计算？有理数乘方，基础训练考题
数学7上：1.25²×64，怎么简便计算？有理数乘方，基础训练考题
初中数学，有理数混合运算，简便计算，基础训练，培优专题376/395
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