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999*111+333*66要列式
人气：100 ℃　时间：2020-04-02 08:28:43
解答
=333×3×111+333×66
=333×333+333×66
=333×(333+66)
=333×399
=333×(400-1)
=333×400-333×1
=133200-333
=132867
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