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计算下面各题,能简便运算的要用简便方法算12+23-56710-18-3837+910+472-(34+56)

题目详情
计算下面各题,能简便运算的要用简便方法算
1
2
+
2
3
-
5
6

7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
计算下面各题,能简便运算的要用简便方法算
1
2
+
2
3
-
5
6

7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6

1
2
+
2
3
-
5
6

7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
1
2
121122
2
3
-
5
6

7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
2
3
232233
5
6

7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
5
6
565566
7
10
-
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
7
10
710771010
1
8
-
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
1
8
181188
3
8

3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
3
8
383388
3
7
+
9
10
+
4
7

2-(
3
4
+
5
6
3
7
373377
9
10
+
4
7

2-(
3
4
+
5
6
9
10
910991010
4
7

2-(
3
4
+
5
6
4
7
474477
3
4
+
5
6
3
4
343344
5
6
5
6
565566
▼优质解答
答案和解析
1
2
+
2
3
-
5
6

=
7
6
-
5
6

=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
2
12111222+
2
3
-
5
6

=
7
6
-
5
6

=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
2
3
23222333-
5
6

=
7
6
-
5
6

=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
5
6
56555666
=
7
6
-
5
6

=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
7
6
76777666-
5
6

=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
5
6
56555666
=
1
3


7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
3
13111333

7
10
-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
7
10
710777101010-
1
8
-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
8
18111888-
3
8

=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
3
8
38333888
=
7
10
-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
7
10
710777101010-(
1
8
+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
8
18111888+
3
8

=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
3
8
38333888)
=
7
10
-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
7
10
710777101010-
1
2

=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
2
12111222
=
1
5


3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
5
15111555

3
7
+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
3
7
37333777+
9
10
+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
9
10
910999101010+
4
7

=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
4
7
47444777
=-
1
8
-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
1
8
18111888-
3
8

37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
3
8
38333888
37+
4
7
+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
4
7
47444777+
9
10

=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
9
10
910999101010
=1+
9
10

=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
9
10
910999101010
=1
9
10


④2-(
3
4
+
5
6

=2-
19
12

=
5
12
9
10
910999101010

④2-(
3
4
+
5
6

=2-
19
12

=
5
12
3
4
34333444+
5
6

=2-
19
12

=
5
12
5
6
56555666)
=2-
19
12

=
5
12
19
12
1912191919121212
=
5
12
5
12
512555121212.