|
1.
62 + 27 =
2
89
|
2.
45 + 54 =
99
2
|
3.
52 – 19 =
2
33
|
4.
48 + 8 =
56
2
|
|
5.
63 + 33 =
2
96
|
6.
11 – 9 =
1
2
|
7.
82 – 79 =
3
1
|
8.
37 – 13 =
24
2
|
|
9.
21 – 1 =
20
2
|
10.
80 – 21 =
59
2
|
11.
53 + 25 =
2
78
|
12.
70 + 21 =
91
2
|
|
13.
51 + 24 =
75
2
|
14.
87 + 1 =
2
88
|
15.
60 + 29 =
89
2
|
16.
86 – 22 =
64
2
|
|
17.
16 – 15 =
2
1
|
18.
95 – 65 =
2
30
|
19.
81 – 42 =
2
39
|
20.
55 – 0 =
55
2
|
|
1.
62 + 27 =
2
89
|
2.
45 + 54 =
99
2
|
3.
52 – 19 =
2
33
|
4.
48 + 8 =
56
2
|
|
5.
63 + 33 =
2
96
|
6.
11 – 9 =
1
2
|
7.
82 – 79 =
3
1
|
8.
37 – 13 =
24
2
|
|
9.
21 – 1 =
20
2
|
10.
80 – 21 =
59
2
|
11.
53 + 25 =
2
78
|
12.
70 + 21 =
91
2
|
|
13.
51 + 24 =
75
2
|
14.
87 + 1 =
2
88
|
15.
60 + 29 =
89
2
|
16.
86 – 22 =
64
2
|
|
17.
16 – 15 =
2
1
|
18.
95 – 65 =
2
30
|
19.
81 – 42 =
2
39
|
20.
55 – 0 =
55
2
|