|
1.
42 – 27 =
1
2
15
3
|
2.
30 – 12 =
4
18
2
3
|
3.
26 – 26 =
3
4
0
2
|
4.
21 – 17 =
4
2
1
3
|
|
5.
22 + 13 =
3
2
35
4
|
6.
7 – 3 =
4
1
3
2
|
7.
14 + 7 =
4
2
3
21
|
8.
18 – 3 =
15
1
2
3
|
|
9.
36 – 17 =
3
4
19
2
|
10.
10 – 6 =
1
2
4
3
|
11.
2 + 43 =
4
2
3
45
|
12.
10 – 2 =
3
1
8
2
|
|
13.
42 + 6 =
2
48
4
3
|
14.
10 – 3 =
7
3
1
2
|
15.
7 + 12 =
19
4
2
3
|
16.
16 + 18 =
3
4
34
2
|
|
17.
49 + 1 =
2
50
4
3
|
18.
26 – 19 =
1
2
3
7
|
19.
14 – 13 =
2
4
3
1
|
20.
12 + 17 =
4
29
3
2
|
|
1.
42 – 27 =
1
2
15
3
|
2.
30 – 12 =
4
18
2
3
|
3.
26 – 26 =
3
4
0
2
|
4.
21 – 17 =
4
2
1
3
|
|
5.
22 + 13 =
3
2
35
4
|
6.
7 – 3 =
4
1
3
2
|
7.
14 + 7 =
4
2
3
21
|
8.
18 – 3 =
15
1
2
3
|
|
9.
36 – 17 =
3
4
19
2
|
10.
10 – 6 =
1
2
4
3
|
11.
2 + 43 =
4
2
3
45
|
12.
10 – 2 =
3
1
8
2
|
|
13.
42 + 6 =
2
48
4
3
|
14.
10 – 3 =
7
3
1
2
|
15.
7 + 12 =
19
4
2
3
|
16.
16 + 18 =
3
4
34
2
|
|
17.
49 + 1 =
2
50
4
3
|
18.
26 – 19 =
1
2
3
7
|
19.
14 – 13 =
2
4
3
1
|
20.
12 + 17 =
4
29
3
2
|