用你喜欢的方法计算.40÷[( 34-13 )×3]24×( 14+18-16)[1-(12+16)]÷13

2024-12-16 04:08:13
推荐回答(1个)
回答1:

(1)40÷[(

3
4
-
1
3
)×3],
=40÷[
5
12
×3],
=40÷
5
4

=32;

(2)24×(
1
4
+
1
8
-
1
6
),
=24×
1
4
+24×
1
8
-24×
1
6

=6+3-4,
=9-4,
=5;

(3)[1-(
1
2
+
1
6
)]÷
1
3

=[1-
2
3
1
3

=
1
3
÷
1
3

=1.