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:2024/09/22 04:27:36
计算下列各题.
6760÷13+17×25
4.82-5.2×0.6÷0.8
(1)6760÷13+17×25
=520+425
=945;
(2)4.82-5.2×0.6÷0.8
=4.82-3.12÷0.8
=4.82-3.9
=0.92;
(3)
1
4÷
5
2×(
1
4+
1
6)
=
1
4×
2
5×
5
12
=
1
24;
(4)(
1
15+
1
6)×30
=
1
15×30+
1
6×30
=2+5
=7.