问题 解答题
计算
3
5
÷6÷
1
15
9
5
×
2
3
÷
18
35
15÷
9
25
×
4
5
4
5
×
3
4
×
2
9
4
3
÷
1
12
×
1
2
13×
2
7
×
7
26
答案

(1)

3
5
÷6÷
1
15

=

3
5
×
1
6
×15,

=

1
10
×15,

=

3
2

(2)

9
5
×
2
3
÷
18
35

=

9
5
×
35
18
×
2
3

=

7
2
×
2
3

=

7
3

(3)15÷

9
25
×
4
5

=

125
3
×
4
5

=

100
3

(4)

4
5
×
3
4
×
2
9

=

3
5
×
2
9

=

2
15

(5)

4
3
÷
1
12
×
1
2

=16×

1
2

=8;

(6)13×

2
7
×
7
26

=

26
7
×
7
26

=1.

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