下面各题,怎样算简便就怎样算4296-1296÷12+812 5.1÷0.17+2.6×6 5 3 × 3 10

2024-12-17 07:34:47
推荐回答(1个)
回答1:

(1)4296-1296÷12+812,
=4296-108+812,
=4188+812,
=5000;
(2)5.1÷0.17+2.6×6,
=30+15.6,
=45.6;
(3)
5
3
×
3
10
÷
5
6
+
1
6

=
1
2
×
6
5
+
1
6

=
3
5
+
1
6

=
23
30

(4)
4
7
×
5
18
+
3
7
÷
18
5

=
4
7
×
5
18
+
3
7
×
5
18

=(
4
7
+
3
7
)×
5
18

=
5
18

(5)12.5×0.32×25,
=(12.5×0.8)×(0.4×25),
=10×10,
=100;
(6)
3
7
÷(
11
6
+
2
3
)×
3
10

=
3
7
÷
15
6
×
3
10

=
3
7
×
6
15
×
3
10

=
9
175