1.
12 – 4 =
3
2
8
1
|
2.
4 – 1 =
1
3
2
4
|
3.
7 + 71 =
78
3
2
4
|
4.
51 – 39 =
12
2
3
1
|
5.
65 + 9 =
2
4
74
3
|
6.
39 – 34 =
5
3
1
2
|
7.
95 + 3 =
98
3
2
4
|
8.
57 + 30 =
2
3
4
87
|
9.
3 – 3 =
0
3
2
4
|
10.
80 – 65 =
1
2
3
15
|
11.
44 – 0 =
2
3
44
4
|
12.
69 – 38 =
31
3
4
2
|
13.
77 + 13 =
2
3
4
90
|
14.
74 – 41 =
33
3
4
2
|
15.
42 + 34 =
4
76
3
2
|
16.
85 – 2 =
83
2
3
4
|
17.
47 + 11 =
4
3
58
2
|
18.
97 + 2 =
4
99
3
2
|
19.
26 – 8 =
3
4
18
2
|
20.
52 – 8 =
4
3
44
2
|
1.
12 – 4 =
3
2
8
1
|
2.
4 – 1 =
1
3
2
4
|
3.
7 + 71 =
78
3
2
4
|
4.
51 – 39 =
12
2
3
1
|
5.
65 + 9 =
2
4
74
3
|
6.
39 – 34 =
5
3
1
2
|
7.
95 + 3 =
98
3
2
4
|
8.
57 + 30 =
2
3
4
87
|
9.
3 – 3 =
0
3
2
4
|
10.
80 – 65 =
1
2
3
15
|
11.
44 – 0 =
2
3
44
4
|
12.
69 – 38 =
31
3
4
2
|
13.
77 + 13 =
2
3
4
90
|
14.
74 – 41 =
33
3
4
2
|
15.
42 + 34 =
4
76
3
2
|
16.
85 – 2 =
83
2
3
4
|
17.
47 + 11 =
4
3
58
2
|
18.
97 + 2 =
4
99
3
2
|
19.
26 – 8 =
3
4
18
2
|
20.
52 – 8 =
4
3
44
2
|