|
1.
52 – 18 =
34
2
|
2.
25 – 10 =
15
1
|
3.
12 – 1 =
11
1
|
4.
47 – 35 =
12
1
|
|
5.
3 – 2 =
2
1
|
6.
41 + 27 =
2
68
|
7.
9 – 6 =
1
3
|
8.
90 – 38 =
52
2
|
|
9.
52 – 36 =
2
16
|
10.
37 + 48 =
85
2
|
11.
6 – 5 =
2
1
|
12.
82 + 17 =
99
2
|
|
13.
83 + 17 =
2
100
|
14.
8 – 3 =
1
5
|
15.
39 – 20 =
19
2
|
16.
78 – 15 =
63
2
|
|
17.
31 + 69 =
2
100
|
18.
4 + 56 =
60
2
|
19.
4 + 92 =
2
96
|
20.
86 – 55 =
2
31
|
|
1.
52 – 18 =
34
2
|
2.
25 – 10 =
15
1
|
3.
12 – 1 =
11
1
|
4.
47 – 35 =
12
1
|
|
5.
3 – 2 =
2
1
|
6.
41 + 27 =
2
68
|
7.
9 – 6 =
1
3
|
8.
90 – 38 =
52
2
|
|
9.
52 – 36 =
2
16
|
10.
37 + 48 =
85
2
|
11.
6 – 5 =
2
1
|
12.
82 + 17 =
99
2
|
|
13.
83 + 17 =
2
100
|
14.
8 – 3 =
1
5
|
15.
39 – 20 =
19
2
|
16.
78 – 15 =
63
2
|
|
17.
31 + 69 =
2
100
|
18.
4 + 56 =
60
2
|
19.
4 + 92 =
2
96
|
20.
86 – 55 =
2
31
|