> 数学 >
6.75−2.75÷[10%×(9.75−4
1
4
)]
人气:303 ℃ 时间:2020-04-19 13:52:41
解答

6.75-2.75÷[10%×(9.75-4
1
4
)]
=6.75-2.75÷[10%×5.5]
=6.75-2.75÷0.55
=6.75-5
=1.75.
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