6又17分之13-4分之13-4.25=
人气:315 ℃ 时间:2020-05-13 23:04:56
解答
6又17分之13-4分之13-4.25
=6又17分之13-(3又4分之1 +4又4分之1)
=6又17分之13 - 7又2分之1
=6+ 17分之13 - 7 -2分之1
=-1 + 17分之13 - 2分之1
=-1 + 34分之26 - 34分之17
=-1 + 34分之9
=-34分之25
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