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99乘78加33乘66简便运算

99乘78加33乘66=99乘78加99乘22=(78+22)乘99=100乘99=9900

99*78+33*66 =99*78+33*3*66÷3 =99*78+99*22 =99*(78+22) =99*100 =9900

"原式=99*78+33*3*22 =99*(78+22) =99*100 =9900"

原式=99x78+33x3x22=99x78+99x22=99x(78+22)=99x100=9900

99*11+66*33=9*11*11+6*11*3*11=11*11*(9+6*3)=121*27=3267

=33*3*78+33*66=33*234+33*66=33*(234+66)=33*300=9900

99*78+33*66 =99*78+99*22=99*(78+22)=99*100=9900祝学习进步

99*78+33*66 =99*(78+22) =99*100 =9900 你好,本题已解答,如果满意 请点右上角“采纳答案”.

99x22+88x33+77x44+66x55 =11x9x11x2+11x8x11x3+11x7x11x4+11x6x11x5 =11x11x(9x2+8x3+7x4+6x5) =121x(18+24+28+30) =121x100 =12100.

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