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口算下面各题．13-15=14+35=78-12=2÷14=710×6=89÷810=13×6=38×14=23-14=16÷13=12÷34=819×516=14×410=712÷74=57÷1021=6.4÷0.08=4-2.92=79÷67=

题目详情
口算下面各题．
1
3
-
1
5
=
1
4
+
3
5
=
7
8
-
1
2
=		 2÷
1
4
=
7
10
×6=
8
9
÷
8
10
=
1
3
×6=
3
8
×
1
4
=
2
3
-
1
4
=
1
6
÷
1
3
=
1
2
÷
3
4
=
8
19
×
5
16
=
1
4
×
4
10
=
7
12
÷
7
4
=
5
7
÷
10
21
=		 6.4÷0.08= 4-2.92=
7
9
÷
6
7
=
1
3
-
1
5
=
1
4
+
3
5
=
7
8
-
1
2
=		 2÷
1
4
=
7
10
×6=
8
9
÷
8
10
=
1
3
×6=
3
8
×
1
4
=
2
3
-
1
4
=
1
6
÷
1
3
=
1
2
÷
3
4
=
8
19
×
5
16
=
1
4
×
4
10
=
7
12
÷
7
4
=
5
7
÷
10
21
=		 6.4÷0.08= 4-2.92=
7
9
÷
6
7
=
1
3
-
1
5
=
1
4
+
3
5
=
7
8
-
1
2
= 2÷
1
4
=
7
10
×6=
8
9
÷
8
10
=
1
3
-
1
5
=
1
3
-
1
5
=
1
3
1133
1
5
=
1
5
1155
1
4
+
3
5
=
1
4
+
3
5
=
1
4
1144
3
5
=
3
5
3355
7
8
-
1
2
=
7
8
-
1
2
=
7
8
7788
1
2
=
1
2
11222÷
1
4
=
1
4
=
1
4
1144
7
10
×6=
7
10
×6=
7
10
771010
8
9
÷
8
10
=
8
9
÷
8
10
=
8
9
8899
8
10
=
8
10
881010
1
3
×6=
3
8
×
1
4
=
2
3
-
1
4
=
1
6
÷
1
3
=
1
2
÷
3
4
=
8
19
×
5
16
=
1
3
×6=
1
3
×6=
1
3
1133
3
8
×
1
4
=
3
8
×
1
4
=
3
8
3388
1
4
=
1
4
1144
2
3
-
1
4
=
2
3
-
1
4
=
2
3
2233
1
4
=
1
4
1144
1
6
÷
1
3
=
1
6
÷
1
3
=
1
6
1166
1
3
=
1
3
1133
1
2
÷
3
4
=
1
2
÷
3
4
=
1
2
1122
3
4
=
3
4
3344
8
19
×
5
16
=
8
19
×
5
16
=
8
19
881919
5
16
=
5
16
551616
1
4
×
4
10
=
7
12
÷
7
4
=
5
7
÷
10
21
= 6.4÷0.08= 4-2.92=
7
9
÷
6
7
=
1
4
×
4
10
=
1
4
×
4
10
=
1
4
1144
4
10
=
4
10
441010
7
12
÷
7
4
=
7
12
÷
7
4
=
7
12
771212
7
4
=
7
4
7744
5
7
÷
10
21
=
5
7
÷
10
21
=
5
7
5577
10
21
=
10
21
101021216.4÷0.08=4-2.92=
7
9
÷
6
7
=
7
9
÷
6
7
=
7
9
7799
6
7
=
6
7
6677
▼优质解答
答案和解析
1
3
-
1
5
=
2
15
；   
1
4
+
3
5
=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
3
111333-
1
5
=
2
15
；   
1
4
+
3
5
=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
5
111555=
2
15
；   
1
4
+
3
5
=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
2
15
222151515；   
1
4
+
3
5
=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
4
111444+
3
5
=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
5
333555=
17
20
；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
17
20
171717202020；    
7
8
-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
7
8
777888-
1
2
=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
2
111222=
3
8
；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
8
333888；      2÷
1
4
=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
4
111444=8；       
7
10
×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
7
10
777101010×6=
21
5
；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
21
5
212121555；     
8
9
÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
8
9
888999÷
8
10
=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
8
10
888101010=
10
9
；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
10
9
101010999；
1
3
×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
3
111333×6=2；         
3
8
×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
8
333888×
1
4
=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
4
111444=
3
32
；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
32
333323232；    
2
3
-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
2
3
222333-
1
4
=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
4
111444=
5
12
；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
5
12
555121212；    
1
6
÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
6
111666÷
1
3
=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
3
111333=
1
2
；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
2
111222；       
1
2
÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
2
111222÷
3
4
=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
4
333444=
2
3
；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
2
3
222333；      
8
19
×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
8
19
888191919×
5
16
=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
5
16
555161616=
5
38
；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
5
38
555383838；
1
4
×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
4
111444×
4
10
=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
4
10
444101010=
1
10
；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
10
111101010；      
7
12
÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
7
12
777121212÷
7
4
=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
7
4
777444=
1
3
；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
1
3
111333；   
5
7
÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
5
7
555777÷
10
21
=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
10
21
101010212121=
3
2
；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
3
2
333222；    6.4÷0.08=80；   4-2.92=1.08；    
7
9
÷
6
7
=
49
54
．
7
9
777999÷
6
7
=
49
54
．
6
7
666777=
49
54
．
49
54
494949545454．
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