|
1.
69 – 21 =
2
48
|
2.
56 – 33 =
23
2
|
3.
15 – 8 =
1
7
|
4.
14 + 64 =
78
2
|
|
5.
45 – 31 =
1
14
|
6.
29 + 11 =
2
40
|
7.
80 – 10 =
70
2
|
8.
2 – 0 =
1
2
|
|
9.
63 + 4 =
2
67
|
10.
46 + 30 =
76
2
|
11.
27 – 3 =
2
24
|
12.
75 + 16 =
2
91
|
|
13.
37 + 24 =
61
2
|
14.
14 + 17 =
2
31
|
15.
21 – 16 =
5
1
|
16.
81 – 29 =
2
52
|
|
17.
72 – 17 =
2
55
|
18.
25 + 48 =
2
73
|
19.
84 – 33 =
2
51
|
20.
23 + 42 =
2
65
|
|
1.
69 – 21 =
2
48
|
2.
56 – 33 =
23
2
|
3.
15 – 8 =
1
7
|
4.
14 + 64 =
78
2
|
|
5.
45 – 31 =
1
14
|
6.
29 + 11 =
2
40
|
7.
80 – 10 =
70
2
|
8.
2 – 0 =
1
2
|
|
9.
63 + 4 =
2
67
|
10.
46 + 30 =
76
2
|
11.
27 – 3 =
2
24
|
12.
75 + 16 =
2
91
|
|
13.
37 + 24 =
61
2
|
14.
14 + 17 =
2
31
|
15.
21 – 16 =
5
1
|
16.
81 – 29 =
2
52
|
|
17.
72 – 17 =
2
55
|
18.
25 + 48 =
2
73
|
19.
84 – 33 =
2
51
|
20.
23 + 42 =
2
65
|