问题 解答题
(1)
5
6
+
5
3
×
4
5
(2)
5
8
-
1
4
×(
8
9
÷
2
3
(3)(
1
2
-
1
6
)×
3
5
÷
1
5
(4)
1
6
÷
9
17
×(
3
4
+
2
3
(5)
11
12
-
1
4
+
3
10
÷
3
5
(6)
2
3
÷(
3
4
-
1
2
)×
4
5
答案

(1)

5
6
+
5
3
×
4
5

=

5
6
+
4
3

=

13
6

(2)

5
8
-
1
4
×(
8
9
÷
2
3
),

=

5
8
-
1
4
×
4
3

=

5
8
-
1
3

=

7
24

(3)(

1
2
-
1
6
)×
3
5
÷
1
5

=

1
3
×
3
5
÷
1
5

=

1
5
÷
1
5

=1;

(4)

1
6
÷
9
17
×(
3
4
+
2
3
),

=

17
54
×
17
12

=

289
648

(5)

11
12
-
1
4
+
3
10
÷
3
5

=

11
12
-
1
4
+
1
2

=

2
3
+
1
2

=

7
6

(6)

2
3
÷(
3
4
-
1
2
)×
4
5

=

2
3
÷
1
4
×
4
5

=

8
3
×
4
5

=

32
15

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