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33.33*66.66+44.44*99.99 巧算

33.33*66.66+44.44*99.99=99.99*22.22+44.44*99.99=99...

35.33-(15.33+3.44)-6.66 =35.33-15.33-3.44-6.66 ...

44*(44+66) =44*100+44*10 =4400+440 =4840

11的n次方 先把11提出来

原式等于 11×45=495 ~回答完毕~ ~\(^o^)/~祝学习进步~~~

46

=66*22+55*44+55*66-66*77 =66*-55+55*44+55*66 =55...

11*22+22*33+33*44+44*55+55*66+66*77+77*88+88*99 =1...

99*22+88*33+77*44+66*55 =9×11×2×11+8×11×3×11+7×1...

101+66+99+44 =(101+99)+(66+44) =200+110 =310

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