79?= 查看更多

 

题目列表(包括答案和解析)

7
9
-
4
9
=
2
9
2
9
3
8
+
5
8
=
1
1
1
2
-
1
2
=
0
0
1
3
-
1
4
=
1
12
1
12
3+
5
6
=
3
5
6
3
5
6
5-
7
11
=
4
4
11
4
4
11
5
7
+
2
7
=
1
1
5
6
-
3
12
=
7
12
7
12
1
3
+
1
6
=
1
2
1
2
2.2+6.8=
9
9
0.79-0.32=
0.47
0.47
1-
5
8
=
3
8
3
8

查看答案和解析>>

4
9
×
1
9
=
3
5
×15=
1
3
×
1
8
=
5
11
÷
6
11
=
5
6
×30=
3
5
×
5
6
=
1
12
+
1
3
=
11
12
×
2
5
=
1
2
+
1
2
=
5
8
-
3
8
=
5
6
-
1
6
=
1-
5
6
=
1
4
-
1
5
=
9
10
-
4
10
=
0.79+0.79×99= 1÷5+1÷5=
0.89×101-0.89= 1.1-2.7÷27= 573-(273+169)= 12.4×11-12.4=.

查看答案和解析>>

1、
1
6
+
1
8
=
1
25
÷
1
100
=
1
3
÷
1
4
=
5
6
÷
1
6
=
4
5
-
3
5
=
1
6
÷
5
6
=
5-
1
6
=
7
20
÷
1
4
=
1
6
+
1
5
=
3
5
×
1
6
=
1
2
×
4
5
=
1
6
×3=
1
2
×
2
5
=
1
4
-
1
5
=
5
8
-
1
4
=
9
10
-
9
20
=
2
3
÷
1
8
=
1
5
+
1
50
=
7
8
-
3
4
=
1
3
-
1
6
=
5
6
×
3
5
=
3
10
×135=
1
3
+
2
5
=
1
5
+
3
2
=
2
3
×
2
5
=
1
10
+
3
5
=
6
7
-
1
5
=
7
8
-
1
6
=
6
25
÷
1
5
=
9
80
-
1
10
=
18×
5
9
=
1
7
÷
1
4
=
1
10
÷
2
15
=
7
60
÷
1
30
=
1
7
÷
5
7
=
1
5
+
1
6
=
2.4×20= 0.12×3= 0.45×2= 3×1.5=
1.2÷0.3= 1÷2= 4.8×100= 4÷0.2=
0.25×8= 0.89÷8.9= 17.8+2.2= 4.2×5=
0.8÷0.2= 5.79÷0.1= 0.35+0.65= 3.4-1.5=
8.9-0.9= 9.2-9.2= 3.6÷0.4= 0.7×11=
15.15÷15= 0.2×0.3= 1.34×4×2.5= 0.9÷4.5=

查看答案和解析>>

填一填.
3个
1
3
1
3
1
3
,1里面有
5
5
1
5
,7个
1
9
7
9
7
9

3
4
里面有
3
3
1
4
1
20
表示
1
1
1
( )
4
7
是4个
1
7
1
7

5
5
1
6
5
6
,7个
1
9
1
9
7
9
4
11
4
4
1
11

查看答案和解析>>

3
4
×12=
2
7
+
2
7
+1=
3
5
×
1
3
=
7
9
-
1
3
=
1
10
×
1
2
=
7
18
=
3
4
×
1
3
=
42×
9
28
=
11×
9
44
=
3
13
×
26
37
=
5
6
×
8
45
=
3
5
×
1
4
=
7
15
×30=
63
8
×
4
9
=
23
24
×
8
29
=

查看答案和解析>>


同步练习册答案