1.
3 + 12 =
15
1
|
2.
51 – 46 =
5
1
|
3.
37 – 23 =
14
1
|
4.
69 – 10 =
2
59
|
5.
24 + 8 =
32
2
|
6.
34 + 59 =
93
2
|
7.
70 – 11 =
2
59
|
8.
98 – 55 =
43
2
|
9.
45 – 24 =
2
21
|
10.
20 + 4 =
24
2
|
11.
44 – 11 =
33
2
|
12.
97 + 3 =
2
100
|
13.
69 – 69 =
2
0
|
14.
2 – 1 =
1
2
|
15.
38 + 12 =
2
50
|
16.
13 – 11 =
1
2
|
17.
79 – 25 =
2
54
|
18.
93 – 89 =
1
4
|
19.
99 – 27 =
2
72
|
20.
91 + 4 =
95
2
|
1.
3 + 12 =
15
1
|
2.
51 – 46 =
5
1
|
3.
37 – 23 =
14
1
|
4.
69 – 10 =
2
59
|
5.
24 + 8 =
32
2
|
6.
34 + 59 =
93
2
|
7.
70 – 11 =
2
59
|
8.
98 – 55 =
43
2
|
9.
45 – 24 =
2
21
|
10.
20 + 4 =
24
2
|
11.
44 – 11 =
33
2
|
12.
97 + 3 =
2
100
|
13.
69 – 69 =
2
0
|
14.
2 – 1 =
1
2
|
15.
38 + 12 =
2
50
|
16.
13 – 11 =
1
2
|
17.
79 – 25 =
2
54
|
18.
93 – 89 =
1
4
|
19.
99 – 27 =
2
72
|
20.
91 + 4 =
95
2
|