|
1.
20 – 19 =
3
2
1
4
|
2.
43 – 32 =
1
11
3
2
|
3.
48 – 38 =
10
2
1
3
|
4.
26 + 21 =
4
3
2
47
|
|
5.
7 – 1 =
2
6
3
1
|
6.
31 + 3 =
34
4
2
3
|
7.
8 – 3 =
3
2
5
1
|
8.
19 + 22 =
41
2
4
3
|
|
9.
9 + 15 =
2
3
4
24
|
10.
42 – 38 =
3
1
2
4
|
11.
8 – 8 =
3
0
2
4
|
12.
48 + 2 =
50
4
2
3
|
|
13.
5 – 5 =
2
4
3
0
|
14.
32 – 8 =
4
3
2
24
|
15.
48 – 7 =
2
4
3
41
|
16.
15 – 5 =
10
1
3
2
|
|
17.
38 + 4 =
3
42
2
4
|
18.
20 + 7 =
3
2
4
27
|
19.
16 – 14 =
2
3
4
1
|
20.
43 + 3 =
4
2
46
3
|
|
1.
20 – 19 =
3
2
1
4
|
2.
43 – 32 =
1
11
3
2
|
3.
48 – 38 =
10
2
1
3
|
4.
26 + 21 =
4
3
2
47
|
|
5.
7 – 1 =
2
6
3
1
|
6.
31 + 3 =
34
4
2
3
|
7.
8 – 3 =
3
2
5
1
|
8.
19 + 22 =
41
2
4
3
|
|
9.
9 + 15 =
2
3
4
24
|
10.
42 – 38 =
3
1
2
4
|
11.
8 – 8 =
3
0
2
4
|
12.
48 + 2 =
50
4
2
3
|
|
13.
5 – 5 =
2
4
3
0
|
14.
32 – 8 =
4
3
2
24
|
15.
48 – 7 =
2
4
3
41
|
16.
15 – 5 =
10
1
3
2
|
|
17.
38 + 4 =
3
42
2
4
|
18.
20 + 7 =
3
2
4
27
|
19.
16 – 14 =
2
3
4
1
|
20.
43 + 3 =
4
2
46
3
|