|
1.
89 – 78 =
11
1
|
2.
26 + 21 =
2
47
|
3.
30 – 28 =
2
1
|
4.
34 – 14 =
2
20
|
|
5.
90 + 0 =
90
2
|
6.
11 – 8 =
1
3
|
7.
56 – 21 =
2
35
|
8.
38 + 15 =
2
53
|
|
9.
81 + 11 =
2
92
|
10.
63 + 12 =
75
2
|
11.
58 – 24 =
34
2
|
12.
32 – 23 =
9
1
|
|
13.
81 – 50 =
2
31
|
14.
3 – 1 =
2
1
|
15.
3 – 1 =
1
2
|
16.
47 – 25 =
2
22
|
|
17.
28 + 49 =
2
77
|
18.
19 + 81 =
2
100
|
19.
38 + 36 =
74
2
|
20.
29 + 17 =
46
2
|
|
1.
89 – 78 =
11
1
|
2.
26 + 21 =
2
47
|
3.
30 – 28 =
2
1
|
4.
34 – 14 =
2
20
|
|
5.
90 + 0 =
90
2
|
6.
11 – 8 =
1
3
|
7.
56 – 21 =
2
35
|
8.
38 + 15 =
2
53
|
|
9.
81 + 11 =
2
92
|
10.
63 + 12 =
75
2
|
11.
58 – 24 =
34
2
|
12.
32 – 23 =
9
1
|
|
13.
81 – 50 =
2
31
|
14.
3 – 1 =
2
1
|
15.
3 – 1 =
1
2
|
16.
47 – 25 =
2
22
|
|
17.
28 + 49 =
2
77
|
18.
19 + 81 =
2
100
|
19.
38 + 36 =
74
2
|
20.
29 + 17 =
46
2
|