|
1.
42 – 31 =
1
11
|
2.
54 – 54 =
2
0
|
3.
69 + 14 =
83
2
|
4.
54 – 26 =
2
28
|
|
5.
100 + 0 =
100
2
|
6.
17 + 16 =
2
33
|
7.
11 – 6 =
1
5
|
8.
20 – 15 =
1
5
|
|
9.
83 + 16 =
99
2
|
10.
11 – 10 =
2
1
|
11.
25 – 0 =
25
2
|
12.
14 + 66 =
80
2
|
|
13.
3 – 2 =
2
1
|
14.
23 + 63 =
2
86
|
15.
74 + 23 =
97
2
|
16.
48 – 17 =
31
2
|
|
17.
5 – 2 =
1
3
|
18.
74 + 16 =
90
2
|
19.
16 – 9 =
1
7
|
20.
67 – 35 =
2
32
|
|
1.
42 – 31 =
1
11
|
2.
54 – 54 =
2
0
|
3.
69 + 14 =
83
2
|
4.
54 – 26 =
2
28
|
|
5.
100 + 0 =
100
2
|
6.
17 + 16 =
2
33
|
7.
11 – 6 =
1
5
|
8.
20 – 15 =
1
5
|
|
9.
83 + 16 =
99
2
|
10.
11 – 10 =
2
1
|
11.
25 – 0 =
25
2
|
12.
14 + 66 =
80
2
|
|
13.
3 – 2 =
2
1
|
14.
23 + 63 =
2
86
|
15.
74 + 23 =
97
2
|
16.
48 – 17 =
31
2
|
|
17.
5 – 2 =
1
3
|
18.
74 + 16 =
90
2
|
19.
16 – 9 =
1
7
|
20.
67 – 35 =
2
32
|