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5555+6666+7777+8888简便运算
5555+6666+7777+8888
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人气:354 ℃ 时间:2020-03-28 22:09:14
解答
5555+6666+7777+8888
=1111*5+1111*6+1111*7+1111*8
=1111*(5+6+7+8)
=1111*(20+6)
=22220+6666
= 28886
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