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简便运算:52÷4分之3+0.75×48
人气:481 ℃ 时间:2019-12-18 00:57:21
解答
52÷4/3+0.75×48 这里应该是3分之4吧.
=52×3/4+48×3/4
=(52+48)×0.75
=100×0.75
=75
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