|
1.
9 – 2 =
7
1
|
2.
49 + 1 =
50
2
|
3.
17 – 14 =
3
1
|
4.
5 – 3 =
2
1
|
|
5.
21 + 14 =
35
2
|
6.
40 + 4 =
44
2
|
7.
10 + 17 =
2
27
|
8.
19 + 10 =
29
2
|
|
9.
10 – 7 =
1
3
|
10.
12 – 6 =
6
1
|
11.
46 + 2 =
48
2
|
12.
46 – 10 =
2
36
|
|
13.
21 – 3 =
2
18
|
14.
18 – 12 =
1
6
|
15.
22 – 17 =
1
5
|
16.
22 – 17 =
1
5
|
|
17.
3 – 2 =
2
1
|
18.
17 + 0 =
17
2
|
19.
43 + 0 =
2
43
|
20.
50 – 27 =
23
2
|
|
1.
9 – 2 =
7
1
|
2.
49 + 1 =
50
2
|
3.
17 – 14 =
3
1
|
4.
5 – 3 =
2
1
|
|
5.
21 + 14 =
35
2
|
6.
40 + 4 =
44
2
|
7.
10 + 17 =
2
27
|
8.
19 + 10 =
29
2
|
|
9.
10 – 7 =
1
3
|
10.
12 – 6 =
6
1
|
11.
46 + 2 =
48
2
|
12.
46 – 10 =
2
36
|
|
13.
21 – 3 =
2
18
|
14.
18 – 12 =
1
6
|
15.
22 – 17 =
1
5
|
16.
22 – 17 =
1
5
|
|
17.
3 – 2 =
2
1
|
18.
17 + 0 =
17
2
|
19.
43 + 0 =
2
43
|
20.
50 – 27 =
23
2
|