|
1.
54 – 37 =
2
17
|
2.
69 – 40 =
29
2
|
3.
13 + 11 =
2
24
|
4.
67 – 34 =
33
2
|
|
5.
87 + 4 =
2
91
|
6.
5 – 4 =
1
2
|
7.
20 – 20 =
2
0
|
8.
58 + 23 =
81
2
|
|
9.
44 – 10 =
2
34
|
10.
100 – 73 =
2
27
|
11.
34 – 21 =
13
1
|
12.
47 + 40 =
87
2
|
|
13.
94 + 3 =
2
97
|
14.
36 – 20 =
16
2
|
15.
70 + 19 =
2
89
|
16.
92 – 77 =
1
15
|
|
17.
52 + 31 =
83
2
|
18.
41 – 21 =
20
2
|
19.
89 + 4 =
2
93
|
20.
22 + 58 =
2
80
|
|
1.
54 – 37 =
2
17
|
2.
69 – 40 =
29
2
|
3.
13 + 11 =
2
24
|
4.
67 – 34 =
33
2
|
|
5.
87 + 4 =
2
91
|
6.
5 – 4 =
1
2
|
7.
20 – 20 =
2
0
|
8.
58 + 23 =
81
2
|
|
9.
44 – 10 =
2
34
|
10.
100 – 73 =
2
27
|
11.
34 – 21 =
13
1
|
12.
47 + 40 =
87
2
|
|
13.
94 + 3 =
2
97
|
14.
36 – 20 =
16
2
|
15.
70 + 19 =
2
89
|
16.
92 – 77 =
1
15
|
|
17.
52 + 31 =
83
2
|
18.
41 – 21 =
20
2
|
19.
89 + 4 =
2
93
|
20.
22 + 58 =
2
80
|