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5-(3/8十1/4)(要过程)
人气:316 ℃ 时间:2020-07-18 02:00:50
解答
5-(3/8十1/4)(要过程)
解,得:
==5-(3/8+2/8)
==5-5/8
==4+8/8-5/8
==4又3/8
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