|
1.
15 – 1 =
14
2
|
2.
92 – 78 =
3
14
|
3.
89 – 20 =
53
69
|
4.
94 – 2 =
4
92
|
|
5.
10 – 10 =
0
3
|
6.
55 – 5 =
50
3
|
7.
17 – 7 =
10
4
|
8.
68 – 44 =
24
3
|
|
9.
70 – 31 =
39
17
|
10.
61 – 13 =
48
18
|
11.
50 – 20 =
30
18
|
12.
5 – 2 =
5
3
|
|
13.
59 – 57 =
2
7
|
14.
79 – 27 =
43
52
|
15.
58 – 50 =
2
8
|
16.
84 – 26 =
58
46
|
|
17.
4 – 2 =
2
3
|
18.
88 – 20 =
68
11
|
19.
6 – 6 =
4
0
|
20.
46 – 30 =
16
13
|
|
1.
15 – 1 =
14
2
|
2.
92 – 78 =
3
14
|
3.
89 – 20 =
53
69
|
4.
94 – 2 =
4
92
|
|
5.
10 – 10 =
0
3
|
6.
55 – 5 =
50
3
|
7.
17 – 7 =
10
4
|
8.
68 – 44 =
24
3
|
|
9.
70 – 31 =
39
17
|
10.
61 – 13 =
48
18
|
11.
50 – 20 =
30
18
|
12.
5 – 2 =
5
3
|
|
13.
59 – 57 =
2
7
|
14.
79 – 27 =
43
52
|
15.
58 – 50 =
2
8
|
16.
84 – 26 =
58
46
|
|
17.
4 – 2 =
2
3
|
18.
88 – 20 =
68
11
|
19.
6 – 6 =
4
0
|
20.
46 – 30 =
16
13
|