问题 解答题
递等式计算(能简算的简算)
15÷
5
9
+
1
6
×8
8
9
×
3
4
÷
8
15
8
17
÷23+
1
23
×
9
17
3
10
-
3
10
÷6
2
9
×0.375÷
6
7
1
3
×
3
4
÷(
3
4
-
5
12
答案

(1)15÷

5
9
+
1
6
×8,

=27+1

1
3

=28

1
3

(2)

8
9
×
3
4
÷
8
15

=

2
3
÷
8
15

=1

1
4

(3)

8
17
÷23+
1
23
×
9
17

=(

8
17
+
9
17
)×
1
23

=1×

1
23

=

1
23

(4)6÷

3
10
-
3
10
÷6,

=20-0.05,

=19.95;

(5)

2
9
×0.375÷
6
7

=

1
12
÷
6
7

=

7
72

(6)

1
3
×
3
4
÷(
3
4
-
5
12
),

=

1
3
×
3
4
÷
1
3

=

1
4
÷
1
3

=

3
4

多项选择题
问答题 简答题