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计算下列各题,能简算的要写出简算过程.38-310×5649×24+24×5938÷110×4536×(14+16-13)213×75+1113÷17514×89+11×25%

题目详情
计算下列各题,能简算的要写出简算过程.
3
8
-
3
10
×
5
6
4
9
×24+24×
5
9
3
8
÷
1
10
×
4
5
36×(
1
4
+
1
6
-
1
3
2
13
×75+
11
13
÷
1
75
1
4
×89+11×25%
▼优质解答
答案和解析
(1)
3
8
-
3
10
×
5
6

=
3
8
-
1
4

=
1
8


(2)
4
9
×24+24×
5
9

=(
4
9
+
5
9
)×24
=1×24
=24;

(3)
3
8
÷
1
10
×
4
5

=
3
8
×10×
4
5

=3;

(4)36×(
1
4
+
1
6
-
1
3

=36×
1
4
+36×
1
6
-36×
1
3

=9+6-12
=3;

(5)
2
13
×75+
11
13
÷
1
75

=
2
13
×75+
11
13
×75
=(
2
13
+
11
13
)×75
=1×75
=75;

(6)
1
4
×89+11×25%
=0.25×(89+11)
=0.25×100
=25.