1.
39 – 27 =
3
1
12
2
|
2.
99 – 11 =
88
2
3
4
|
3.
21 – 16 =
5
1
2
3
|
4.
90 + 1 =
3
91
4
2
|
5.
23 + 2 =
3
2
4
25
|
6.
92 + 7 =
4
3
99
2
|
7.
3 – 0 =
2
4
3
1
|
8.
100 – 30 =
3
4
70
2
|
9.
77 – 29 =
3
4
48
2
|
10.
51 + 21 =
2
72
3
4
|
11.
86 + 6 =
2
92
3
4
|
12.
12 + 5 =
2
3
4
17
|
13.
22 + 56 =
78
4
2
3
|
14.
65 – 45 =
4
20
2
3
|
15.
32 – 6 =
26
2
3
4
|
16.
94 + 0 =
3
94
4
2
|
17.
55 – 52 =
2
1
3
4
|
18.
28 + 56 =
3
84
4
2
|
19.
57 – 25 =
3
2
4
32
|
20.
24 + 18 =
42
3
2
4
|
1.
39 – 27 =
3
1
12
2
|
2.
99 – 11 =
88
2
3
4
|
3.
21 – 16 =
5
1
2
3
|
4.
90 + 1 =
3
91
4
2
|
5.
23 + 2 =
3
2
4
25
|
6.
92 + 7 =
4
3
99
2
|
7.
3 – 0 =
2
4
3
1
|
8.
100 – 30 =
3
4
70
2
|
9.
77 – 29 =
3
4
48
2
|
10.
51 + 21 =
2
72
3
4
|
11.
86 + 6 =
2
92
3
4
|
12.
12 + 5 =
2
3
4
17
|
13.
22 + 56 =
78
4
2
3
|
14.
65 – 45 =
4
20
2
3
|
15.
32 – 6 =
26
2
3
4
|
16.
94 + 0 =
3
94
4
2
|
17.
55 – 52 =
2
1
3
4
|
18.
28 + 56 =
3
84
4
2
|
19.
57 – 25 =
3
2
4
32
|
20.
24 + 18 =
42
3
2
4
|