问题 解答题
计算:
8
9
×
3
4
÷
8
15

(0.92+
2
25
)÷(4-2
7
9

1
3
÷(
2
3
-
2
5
)×
3
5
答案

(1)

8
9
×
3
4
÷
8
15

=

2
3
×
15
8

=

5
4

(2)(0.92+

2
25
)÷(4-2
7
9
),

=1÷1

2
9

=

9
11

(3)

1
3
÷(
2
3
-
2
5
)×
3
5

=

1
3
÷
4
15
×
3
5

=

5
4
×
3
5

=

3
4

单项选择题
单项选择题