|
1.
31 + 50 =
2
81
4
3
|
2.
52 – 18 =
3
34
4
2
|
3.
15 + 60 =
3
4
2
75
|
4.
64 + 34 =
4
98
2
3
|
|
5.
39 + 43 =
2
82
4
3
|
6.
26 – 14 =
12
1
3
2
|
7.
3 – 1 =
4
1
3
2
|
8.
13 – 9 =
3
2
1
4
|
|
9.
46 + 39 =
85
2
4
3
|
10.
40 – 39 =
2
1
4
3
|
11.
78 – 25 =
2
3
53
4
|
12.
97 – 86 =
1
3
2
11
|
|
13.
12 – 5 =
1
2
7
3
|
14.
46 – 23 =
3
4
23
2
|
15.
81 + 9 =
3
2
90
4
|
16.
48 + 7 =
2
55
3
4
|
|
17.
40 – 28 =
1
12
2
3
|
18.
49 + 3 =
52
2
3
4
|
19.
12 – 1 =
2
3
11
1
|
20.
83 – 65 =
4
3
18
2
|
|
1.
31 + 50 =
2
81
4
3
|
2.
52 – 18 =
3
34
4
2
|
3.
15 + 60 =
3
4
2
75
|
4.
64 + 34 =
4
98
2
3
|
|
5.
39 + 43 =
2
82
4
3
|
6.
26 – 14 =
12
1
3
2
|
7.
3 – 1 =
4
1
3
2
|
8.
13 – 9 =
3
2
1
4
|
|
9.
46 + 39 =
85
2
4
3
|
10.
40 – 39 =
2
1
4
3
|
11.
78 – 25 =
2
3
53
4
|
12.
97 – 86 =
1
3
2
11
|
|
13.
12 – 5 =
1
2
7
3
|
14.
46 – 23 =
3
4
23
2
|
15.
81 + 9 =
3
2
90
4
|
16.
48 + 7 =
2
55
3
4
|
|
17.
40 – 28 =
1
12
2
3
|
18.
49 + 3 =
52
2
3
4
|
19.
12 – 1 =
2
3
11
1
|
20.
83 – 65 =
4
3
18
2
|