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数学
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123×123+67×123+1230
请大家运用简便计算,
人气:382 ℃ 时间:2020-01-24 14:45:04
解答
123×123+67×123+1230
=123×123+67×123+123×10
=123×(123+67+10)
=123×200
=24600
愿对你有所帮助!
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