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6.8乘0.41+0.59乘3.4乘2 脱式计算,能简算得要简算
人气:432 ℃ 时间:2020-04-23 18:17:05
解答
6.8乘0.41+0.59乘3.4乘2
=6.8×0.41+0.59×6.8
=6.8×(0.41+0.59)
=6.8×1
=6.8
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