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简便计算666×22+56×333
人气:458 ℃ 时间:2020-04-02 14:41:51
解答
666×22+56×333
=(333×2)×22+56×333
=333×(2×22)+56×333
=333×444+56×333
=333×(44+56)
=333×100
=33300
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