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18.9-(3.9+4分之3)-0.25得数最好分数递等式啊
18.9-(3.9+4分之3)-0.25得数最好分数递等式啊
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2020-04-19 13:00
18.9-(3.9+4分之3)-0.25得数最好分数递等式啊
18.9-(3.9+4分之3)-0.25得数最好分数递等式啊
18.9-(3.9+4分之3)-0.25
=18.9-3.9-3/4-0.25
=15-(3/4+0.25)
=15-1
=14