|
1.
61 + 28 =
2
89
|
2.
44 + 40 =
2
84
|
3.
78 + 16 =
94
2
|
4.
81 + 8 =
89
2
|
|
5.
50 – 49 =
1
2
|
6.
63 + 20 =
83
2
|
7.
2 + 40 =
42
2
|
8.
46 + 5 =
51
2
|
|
9.
59 – 28 =
31
2
|
10.
93 – 91 =
2
1
|
11.
47 + 37 =
84
2
|
12.
12 + 85 =
2
97
|
|
13.
89 – 5 =
84
2
|
14.
6 – 4 =
1
2
|
15.
85 – 34 =
51
2
|
16.
69 + 12 =
2
81
|
|
17.
52 – 12 =
40
2
|
18.
86 – 13 =
73
2
|
19.
99 – 74 =
25
2
|
20.
82 – 23 =
59
2
|
|
1.
61 + 28 =
2
89
|
2.
44 + 40 =
2
84
|
3.
78 + 16 =
94
2
|
4.
81 + 8 =
89
2
|
|
5.
50 – 49 =
1
2
|
6.
63 + 20 =
83
2
|
7.
2 + 40 =
42
2
|
8.
46 + 5 =
51
2
|
|
9.
59 – 28 =
31
2
|
10.
93 – 91 =
2
1
|
11.
47 + 37 =
84
2
|
12.
12 + 85 =
2
97
|
|
13.
89 – 5 =
84
2
|
14.
6 – 4 =
1
2
|
15.
85 – 34 =
51
2
|
16.
69 + 12 =
2
81
|
|
17.
52 – 12 =
40
2
|
18.
86 – 13 =
73
2
|
19.
99 – 74 =
25
2
|
20.
82 – 23 =
59
2
|