|
1.
23 – 4 =
19
2
|
2.
6 – 5 =
1
2
|
3.
42 + 8 =
2
50
|
4.
46 – 16 =
2
30
|
|
5.
34 – 28 =
1
6
|
6.
27 + 8 =
35
2
|
7.
48 + 1 =
2
49
|
8.
40 + 8 =
48
2
|
|
9.
26 + 20 =
2
46
|
10.
19 + 5 =
2
24
|
11.
42 + 3 =
2
45
|
12.
13 – 7 =
6
1
|
|
13.
43 + 0 =
43
2
|
14.
40 – 22 =
2
18
|
15.
44 + 1 =
45
2
|
16.
22 + 26 =
2
48
|
|
17.
20 – 15 =
5
1
|
18.
20 – 13 =
7
1
|
19.
27 + 4 =
2
31
|
20.
27 – 10 =
2
17
|
|
1.
23 – 4 =
19
2
|
2.
6 – 5 =
1
2
|
3.
42 + 8 =
2
50
|
4.
46 – 16 =
2
30
|
|
5.
34 – 28 =
1
6
|
6.
27 + 8 =
35
2
|
7.
48 + 1 =
2
49
|
8.
40 + 8 =
48
2
|
|
9.
26 + 20 =
2
46
|
10.
19 + 5 =
2
24
|
11.
42 + 3 =
2
45
|
12.
13 – 7 =
6
1
|
|
13.
43 + 0 =
43
2
|
14.
40 – 22 =
2
18
|
15.
44 + 1 =
45
2
|
16.
22 + 26 =
2
48
|
|
17.
20 – 15 =
5
1
|
18.
20 – 13 =
7
1
|
19.
27 + 4 =
2
31
|
20.
27 – 10 =
2
17
|