|
1.
89 – 81 =
8
1
|
2.
99 – 72 =
27
2
|
3.
91 + 0 =
2
91
|
4.
64 + 4 =
68
2
|
|
5.
34 + 57 =
91
2
|
6.
6 + 39 =
2
45
|
7.
50 + 43 =
2
93
|
8.
28 + 45 =
2
73
|
|
9.
12 – 10 =
2
1
|
10.
36 – 18 =
2
18
|
11.
24 + 40 =
64
2
|
12.
78 – 10 =
2
68
|
|
13.
26 – 2 =
2
24
|
14.
29 – 5 =
2
24
|
15.
66 – 31 =
2
35
|
16.
65 – 62 =
1
3
|
|
17.
24 + 25 =
49
2
|
18.
82 – 59 =
2
23
|
19.
100 – 34 =
2
66
|
20.
82 + 7 =
89
2
|
|
1.
89 – 81 =
8
1
|
2.
99 – 72 =
27
2
|
3.
91 + 0 =
2
91
|
4.
64 + 4 =
68
2
|
|
5.
34 + 57 =
91
2
|
6.
6 + 39 =
2
45
|
7.
50 + 43 =
2
93
|
8.
28 + 45 =
2
73
|
|
9.
12 – 10 =
2
1
|
10.
36 – 18 =
2
18
|
11.
24 + 40 =
64
2
|
12.
78 – 10 =
2
68
|
|
13.
26 – 2 =
2
24
|
14.
29 – 5 =
2
24
|
15.
66 – 31 =
2
35
|
16.
65 – 62 =
1
3
|
|
17.
24 + 25 =
49
2
|
18.
82 – 59 =
2
23
|
19.
100 – 34 =
2
66
|
20.
82 + 7 =
89
2
|