20-50内 加减法 Flashcards
1
Q
23 + 15 =
A
38
2
Q
47 - 26 =
A
21
3
Q
35 + 12 =
A
47
4
Q
40 - 18 =
A
22
5
Q
39 - 22 =
A
17
6
Q
30 - 15 =
A
15
7
Q
25 + 21 =
A
36
8
Q
48 - 27 =
A
21
9
Q
37 + 10 =
A
47
10
Q
41 - 20 =
A
21
11
Q
33 + 14 =
A
47
12
Q
46 - 23 =
A
23
13
Q
28 + 19 =
A
47
14
Q
38 - 24 =
A
14
15
Q
32 - 17 =
A
15
16
Q
26 + 22 =
A
48
17
Q
49 - 25 =
A
24
18
Q
31 + 12 =
A
43
19
Q
35 - 13 =
A
22
20
Q
20 + 15 =
A
35
21
Q
43 - 16 =
A
27
22
Q
27 + 18 =
A
45
23
Q
36 - 21 =
A
15
24
Q
34 - 19 =
A
15
25
Q
24 + 11 =
A
35
26
Q
47 - 14 =
A
33
27
Q
29 + 10 =
A
39
28
Q
38 - 27 =
A
11
29
Q
22 + 17 =
A
39
30
Q
41 - 28 =
A
13
31
Q
25 + 15 =
A
40
32
Q
39 - 19=
A
20
33
Q
21 + 18 =
A
39
34
Q
30 - 11 =
A
19
35
Q
32 + 10 =
A
42
36
Q
44 - 13 =
A
31
37
Q
23 + 24 =
A
47
38
Q
48 - 16 =
A
32
