> 数学 >
1
6
×(6.75÷
5
12
-2.4+4
1
4
×2
2
5
)-1
1
8
-0.875.
人气:267 ℃ 时间:2020-01-27 23:21:31
解答
1
6
×(6.75÷
5
12
-2.4+4
1
4
×2
2
5
)-1
1
8
-0.875
=
1
6
×(6.75×2.4-2.4+4
1
4
×2.4)-(1
1
8
-0.875)
=
1
6
×24(6.75-1+4.25)-2
=
1
6
×24×10-2
=40-2
=38.
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