|
1.
57 + 18 =
2
75
|
2.
40 + 10 =
50
2
|
3.
83 – 48 =
35
2
|
4.
48 – 22 =
26
2
|
|
5.
41 – 18 =
2
23
|
6.
43 + 46 =
2
89
|
7.
50 – 44 =
6
1
|
8.
78 – 61 =
17
2
|
|
9.
94 – 89 =
1
5
|
10.
15 – 14 =
2
1
|
11.
48 – 32 =
2
16
|
12.
28 – 3 =
2
25
|
|
13.
30 – 27 =
1
3
|
14.
10 – 3 =
7
1
|
15.
19 – 9 =
10
1
|
16.
70 – 46 =
2
24
|
|
17.
6 + 20 =
2
26
|
18.
81 + 7 =
2
88
|
19.
19 + 43 =
2
62
|
20.
4 – 3 =
2
1
|
|
1.
57 + 18 =
2
75
|
2.
40 + 10 =
50
2
|
3.
83 – 48 =
35
2
|
4.
48 – 22 =
26
2
|
|
5.
41 – 18 =
2
23
|
6.
43 + 46 =
2
89
|
7.
50 – 44 =
6
1
|
8.
78 – 61 =
17
2
|
|
9.
94 – 89 =
1
5
|
10.
15 – 14 =
2
1
|
11.
48 – 32 =
2
16
|
12.
28 – 3 =
2
25
|
|
13.
30 – 27 =
1
3
|
14.
10 – 3 =
7
1
|
15.
19 – 9 =
10
1
|
16.
70 – 46 =
2
24
|
|
17.
6 + 20 =
2
26
|
18.
81 + 7 =
2
88
|
19.
19 + 43 =
2
62
|
20.
4 – 3 =
2
1
|