1.
88 – 45 =
43
3
2
4
|
2.
40 – 12 =
28
3
2
4
|
3.
34 – 1 =
33
3
2
4
|
4.
91 – 71 =
4
2
3
20
|
5.
74 – 56 =
3
4
18
2
|
6.
43 – 23 =
4
20
3
2
|
7.
92 – 39 =
2
3
4
53
|
8.
92 + 7 =
99
3
4
2
|
9.
34 – 21 =
1
13
3
2
|
10.
5 + 3 =
3
1
8
2
|
11.
62 – 60 =
1
4
3
2
|
12.
21 + 7 =
4
3
28
2
|
13.
99 + 0 =
2
3
99
4
|
14.
6 + 30 =
36
4
3
2
|
15.
3 – 3 =
2
4
0
3
|
16.
24 – 6 =
4
2
3
18
|
17.
72 + 25 =
3
4
97
2
|
18.
96 + 3 =
2
3
99
4
|
19.
53 – 22 =
31
3
2
4
|
20.
81 + 4 =
3
2
85
4
|
1.
88 – 45 =
43
3
2
4
|
2.
40 – 12 =
28
3
2
4
|
3.
34 – 1 =
33
3
2
4
|
4.
91 – 71 =
4
2
3
20
|
5.
74 – 56 =
3
4
18
2
|
6.
43 – 23 =
4
20
3
2
|
7.
92 – 39 =
2
3
4
53
|
8.
92 + 7 =
99
3
4
2
|
9.
34 – 21 =
1
13
3
2
|
10.
5 + 3 =
3
1
8
2
|
11.
62 – 60 =
1
4
3
2
|
12.
21 + 7 =
4
3
28
2
|
13.
99 + 0 =
2
3
99
4
|
14.
6 + 30 =
36
4
3
2
|
15.
3 – 3 =
2
4
0
3
|
16.
24 – 6 =
4
2
3
18
|
17.
72 + 25 =
3
4
97
2
|
18.
96 + 3 =
2
3
99
4
|
19.
53 – 22 =
31
3
2
4
|
20.
81 + 4 =
3
2
85
4
|