问题 解答题
5
8
×(
4
5
+16)
(
5
6
+
3
4
8
3
7
11
÷[
2
5
-(1-
7
10
)]
6
7
+
2
7
÷
2
7
+
6
7
7
6
-
7
6
×
1
4
6
5
+
6
5
×
5
6
÷
1
5
5
11
÷11+
1
11
×
6
11
3
4
-
3
4
÷4
答案

(1)

5
8
×(
4
5
+16)

=

5
8
×
4
5
+
5
8
×16

=

1
2
+10

=10

1
2

(2)(

5
6
+
3
4
8
3

=

19
12
×
3
8

=

19
32

(3)

7
11
÷[
2
5
-(1-
7
10
)]

=

7
11
÷[
2
5
-
3
10
]

=

7
11
÷
1
10

=

70
11

(4)

6
7
+
2
7
÷
2
7
+
6
7

=

6
7
+1+
6
7

=

6
7
+
6
7
+1

=1

5
7
+1

=2

5
7

(5)

7
6
-
7
6
×
1
4

=

7
6
×(1-
1
4

=

7
6
×
3
4

=

7
8

(6)

6
5
+
6
5
×
5
6
÷
1
5

=

6
5
+1÷
1
5

=

6
5
+5

=6

1
5

(7)

5
11
÷11+
1
11
×
6
11

=

5
11
×
1
11
+
1
11
×
6
11

=(

5
11
+
6
11
)×
1
11

=1×

1
11

=

1
11

(8)

3
4
-
3
4
÷4

=

16
3
-
3
16

=

247
48

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