|
1.
34 – 30 =
4
1
|
2.
49 + 27 =
76
2
|
3.
31 – 24 =
1
7
|
4.
51 – 30 =
21
2
|
|
5.
43 – 2 =
2
41
|
6.
18 – 8 =
10
1
|
7.
21 + 6 =
27
2
|
8.
53 + 30 =
2
83
|
|
9.
74 – 8 =
2
66
|
10.
56 + 22 =
2
78
|
11.
75 + 20 =
95
2
|
12.
42 + 53 =
2
95
|
|
13.
27 – 25 =
2
1
|
14.
40 + 60 =
100
2
|
15.
12 – 12 =
2
0
|
16.
21 – 7 =
14
1
|
|
17.
32 – 13 =
19
2
|
18.
84 + 4 =
2
88
|
19.
7 + 4 =
11
1
|
20.
13 – 13 =
2
0
|
|
1.
34 – 30 =
4
1
|
2.
49 + 27 =
76
2
|
3.
31 – 24 =
1
7
|
4.
51 – 30 =
21
2
|
|
5.
43 – 2 =
2
41
|
6.
18 – 8 =
10
1
|
7.
21 + 6 =
27
2
|
8.
53 + 30 =
2
83
|
|
9.
74 – 8 =
2
66
|
10.
56 + 22 =
2
78
|
11.
75 + 20 =
95
2
|
12.
42 + 53 =
2
95
|
|
13.
27 – 25 =
2
1
|
14.
40 + 60 =
100
2
|
15.
12 – 12 =
2
0
|
16.
21 – 7 =
14
1
|
|
17.
32 – 13 =
19
2
|
18.
84 + 4 =
2
88
|
19.
7 + 4 =
11
1
|
20.
13 – 13 =
2
0
|