|
1.
28 – 13 =
1
3
15
2
|
2.
30 – 23 =
1
3
7
2
|
3.
73 + 16 =
89
2
4
3
|
4.
97 + 3 =
3
4
100
2
|
|
5.
27 – 9 =
18
3
4
2
|
6.
15 – 9 =
2
6
3
1
|
7.
97 – 78 =
19
2
3
4
|
8.
91 + 7 =
4
98
3
2
|
|
9.
82 – 42 =
40
3
4
2
|
10.
86 – 81 =
5
2
1
3
|
11.
6 + 81 =
3
2
4
87
|
12.
17 + 63 =
2
4
80
3
|
|
13.
17 + 70 =
3
2
4
87
|
14.
75 – 14 =
61
2
4
3
|
15.
24 – 24 =
3
0
4
2
|
16.
39 + 51 =
3
90
2
4
|
|
17.
33 – 22 =
3
11
2
1
|
18.
17 + 2 =
4
2
3
19
|
19.
45 – 26 =
2
3
19
4
|
20.
83 – 81 =
2
3
1
4
|
|
1.
28 – 13 =
1
3
15
2
|
2.
30 – 23 =
1
3
7
2
|
3.
73 + 16 =
89
2
4
3
|
4.
97 + 3 =
3
4
100
2
|
|
5.
27 – 9 =
18
3
4
2
|
6.
15 – 9 =
2
6
3
1
|
7.
97 – 78 =
19
2
3
4
|
8.
91 + 7 =
4
98
3
2
|
|
9.
82 – 42 =
40
3
4
2
|
10.
86 – 81 =
5
2
1
3
|
11.
6 + 81 =
3
2
4
87
|
12.
17 + 63 =
2
4
80
3
|
|
13.
17 + 70 =
3
2
4
87
|
14.
75 – 14 =
61
2
4
3
|
15.
24 – 24 =
3
0
4
2
|
16.
39 + 51 =
3
90
2
4
|
|
17.
33 – 22 =
3
11
2
1
|
18.
17 + 2 =
4
2
3
19
|
19.
45 – 26 =
2
3
19
4
|
20.
83 – 81 =
2
3
1
4
|