1.
48 – 28 =
4
2
20
3
|
2.
38 + 53 =
3
2
91
4
|
3.
36 + 54 =
4
2
3
90
|
4.
21 + 15 =
36
2
4
3
|
5.
40 – 23 =
4
17
3
2
|
6.
22 – 3 =
3
4
2
19
|
7.
87 – 8 =
2
79
4
3
|
8.
40 – 13 =
2
3
4
27
|
9.
53 – 12 =
3
2
4
41
|
10.
92 – 42 =
2
50
4
3
|
11.
26 – 20 =
2
6
1
3
|
12.
2 – 2 =
0
2
4
3
|
13.
62 – 32 =
2
30
4
3
|
14.
96 – 88 =
8
3
1
2
|
15.
68 – 41 =
2
27
4
3
|
16.
3 – 1 =
1
4
2
3
|
17.
10 – 4 =
1
2
3
6
|
18.
80 + 5 =
2
85
3
4
|
19.
96 – 90 =
6
3
2
1
|
20.
8 – 8 =
4
2
0
3
|
1.
48 – 28 =
4
2
20
3
|
2.
38 + 53 =
3
2
91
4
|
3.
36 + 54 =
4
2
3
90
|
4.
21 + 15 =
36
2
4
3
|
5.
40 – 23 =
4
17
3
2
|
6.
22 – 3 =
3
4
2
19
|
7.
87 – 8 =
2
79
4
3
|
8.
40 – 13 =
2
3
4
27
|
9.
53 – 12 =
3
2
4
41
|
10.
92 – 42 =
2
50
4
3
|
11.
26 – 20 =
2
6
1
3
|
12.
2 – 2 =
0
2
4
3
|
13.
62 – 32 =
2
30
4
3
|
14.
96 – 88 =
8
3
1
2
|
15.
68 – 41 =
2
27
4
3
|
16.
3 – 1 =
1
4
2
3
|
17.
10 – 4 =
1
2
3
6
|
18.
80 + 5 =
2
85
3
4
|
19.
96 – 90 =
6
3
2
1
|
20.
8 – 8 =
4
2
0
3
|