|
1.
99 – 21 =
2
78
|
2.
4 + 28 =
2
32
|
3.
8 + 39 =
47
2
|
4.
44 + 4 =
48
2
|
|
5.
67 + 27 =
2
94
|
6.
66 – 32 =
2
34
|
7.
50 + 48 =
98
2
|
8.
68 + 4 =
72
2
|
|
9.
47 – 40 =
1
7
|
10.
30 – 3 =
27
2
|
11.
93 + 6 =
99
2
|
12.
10 – 3 =
1
7
|
|
13.
75 – 29 =
46
2
|
14.
87 – 26 =
2
61
|
15.
6 – 0 =
6
1
|
16.
75 + 9 =
84
2
|
|
17.
66 – 24 =
42
2
|
18.
18 + 18 =
36
2
|
19.
36 + 40 =
76
2
|
20.
25 + 11 =
2
36
|
|
1.
99 – 21 =
2
78
|
2.
4 + 28 =
2
32
|
3.
8 + 39 =
47
2
|
4.
44 + 4 =
48
2
|
|
5.
67 + 27 =
2
94
|
6.
66 – 32 =
2
34
|
7.
50 + 48 =
98
2
|
8.
68 + 4 =
72
2
|
|
9.
47 – 40 =
1
7
|
10.
30 – 3 =
27
2
|
11.
93 + 6 =
99
2
|
12.
10 – 3 =
1
7
|
|
13.
75 – 29 =
46
2
|
14.
87 – 26 =
2
61
|
15.
6 – 0 =
6
1
|
16.
75 + 9 =
84
2
|
|
17.
66 – 24 =
42
2
|
18.
18 + 18 =
36
2
|
19.
36 + 40 =
76
2
|
20.
25 + 11 =
2
36
|