问题 解答题
脱式计算.
24-24×
5
6
101
5
×
1
2
÷
2
5
12÷
14
4
×
7
8
3
5
×(
2
3
+
5
4
4
5
÷
7
4
×
35
8
12
7
÷(
2
3
-
1
4
答案

(1)24-24×
5
6

=24×(1-

5
6
),

=24×

1
6

=4;

(2)

101
5
×
1
2
÷
2
5

=

101
5
×
1
2
×
5
2

=

101
5
×
5
2
×
1
2

=

101
4

=25

1
4

(3)12÷

14
4
×
7
8

=12×

4
14
×
7
8

=3,

(4)

3
5
×(
2
3
+
5
4
),

=

3
5
×
2
3
+
3
5
×
5
4

=

2
5
+
3
4

=1

3
20

(5)

4
5
÷
7
4
×
35
8

=

4
5
×
4
7
×
35
8

=2;

(6)
12
7
÷(
2
3
-
1
4
),

=

12
7
÷
5
12

=4

4
35

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