问题 解答题
递等式计算
1÷(
1
2
÷
1
3
)
3
8
-
3
10
×
5
6
3
13
×8÷
10
13
×8
3
10
×(
5
7
-
10
21
)
9
10
÷
7
22
×
14
33
3
8
+
5
8
÷
15
16
答案

(1)1÷(

1
2
÷
1
3
),

=1÷(

1
2
×3),

=1÷

3
2

=

2
3

(2)

3
8
-
3
10
×
5
6

=

3
8
-
1
4

=

1
8

(3)

3
13
×8÷
10
13
×8,

=

3
13
×8×
13
10
×8,

=(

3
13
×
13
10
)×(8×8),

=

3
10
×64,

=

96
5

(4)

3
10
×(
5
7
-
10
21
),

=

3
10
×
5
21

=

1
14

(5)

9
10
÷
7
22
×
14
33

=

9
10
×
22
7
×
14
33

=

6
5

(6)

3
8
+
5
8
÷
15
16

=

3
8
+
5
8
×
16
15

=

3
8
+
2
3

=

25
24

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