|
1.
9 – 2 =
7
1
|
2.
40 – 10 =
2
30
|
3.
42 – 4 =
2
38
|
4.
10 – 7 =
1
3
|
|
5.
48 + 31 =
2
79
|
6.
63 – 22 =
2
41
|
7.
76 + 17 =
93
2
|
8.
15 + 61 =
76
2
|
|
9.
79 – 57 =
22
2
|
10.
29 + 61 =
90
2
|
11.
27 – 23 =
4
1
|
12.
65 – 41 =
24
2
|
|
13.
80 + 6 =
2
86
|
14.
6 – 0 =
6
1
|
15.
47 – 29 =
2
18
|
16.
80 – 8 =
72
2
|
|
17.
100 – 7 =
93
2
|
18.
78 – 24 =
2
54
|
19.
89 – 7 =
2
82
|
20.
12 – 2 =
1
10
|
|
1.
9 – 2 =
7
1
|
2.
40 – 10 =
2
30
|
3.
42 – 4 =
2
38
|
4.
10 – 7 =
1
3
|
|
5.
48 + 31 =
2
79
|
6.
63 – 22 =
2
41
|
7.
76 + 17 =
93
2
|
8.
15 + 61 =
76
2
|
|
9.
79 – 57 =
22
2
|
10.
29 + 61 =
90
2
|
11.
27 – 23 =
4
1
|
12.
65 – 41 =
24
2
|
|
13.
80 + 6 =
2
86
|
14.
6 – 0 =
6
1
|
15.
47 – 29 =
2
18
|
16.
80 – 8 =
72
2
|
|
17.
100 – 7 =
93
2
|
18.
78 – 24 =
2
54
|
19.
89 – 7 =
2
82
|
20.
12 – 2 =
1
10
|