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简便计算:778×999+666×333.
人气:132 ℃ 时间:2019-10-29 06:21:53
解答
778×999+666×333,
=778×999+222×3×333,
=778×999+222×999,
=(778+222)×999,
=1000×999,
=999000.
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简便计算:778×999+666×333.
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