来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/10 11:31:11
脱式计算
1800-1350÷18×6
17.64÷[(2.3+0.5)×0.6]
(1)1800-1350÷18×6
=1800-75×6
=1800-450
=1350;
(2)17.64÷[(2.3+0.5)×0.6]
=17.64÷[2.8×0.6]
=17.64÷1.68
=10.5;
(3)
3
5÷[(
3
4-
2
3)÷
5
6]
=
3
5÷[
1
12×
6
5]
=
3
5×10
=6.