|
1.
21 – 16 =
5
1
|
2.
10 – 4 =
1
6
|
3.
44 + 23 =
67
2
|
4.
3 – 1 =
2
1
|
|
5.
28 + 53 =
2
81
|
6.
88 + 3 =
91
2
|
7.
17 – 4 =
1
13
|
8.
14 + 55 =
69
2
|
|
9.
49 + 15 =
64
2
|
10.
73 + 20 =
93
2
|
11.
21 – 11 =
1
10
|
12.
41 + 22 =
2
63
|
|
13.
21 – 18 =
3
1
|
14.
95 – 80 =
15
1
|
15.
70 – 9 =
61
2
|
16.
95 + 3 =
2
98
|
|
17.
66 + 13 =
79
2
|
18.
9 – 0 =
9
1
|
19.
25 – 13 =
1
12
|
20.
79 – 38 =
41
2
|
|
1.
21 – 16 =
5
1
|
2.
10 – 4 =
1
6
|
3.
44 + 23 =
67
2
|
4.
3 – 1 =
2
1
|
|
5.
28 + 53 =
2
81
|
6.
88 + 3 =
91
2
|
7.
17 – 4 =
1
13
|
8.
14 + 55 =
69
2
|
|
9.
49 + 15 =
64
2
|
10.
73 + 20 =
93
2
|
11.
21 – 11 =
1
10
|
12.
41 + 22 =
2
63
|
|
13.
21 – 18 =
3
1
|
14.
95 – 80 =
15
1
|
15.
70 – 9 =
61
2
|
16.
95 + 3 =
2
98
|
|
17.
66 + 13 =
79
2
|
18.
9 – 0 =
9
1
|
19.
25 – 13 =
1
12
|
20.
79 – 38 =
41
2
|