Addition with 20s | Addition with 30s | Addition with 40s | Addition with 50s | Addition with 60s |
---|---|---|---|---|
28
26
+ 2 |
37
36
+ 1 |
47
42
+ 5 |
59
58
+ 1 |
64
62
+ 2 |
27
24
+ 3 |
37
34
+ 3 |
45
43
+ 2 |
56
54
+ 2 |
65
64
+ 1 |
29
25
+ 4 |
39
35
+ 4 |
48
45
+ 3 |
56
53
+ 3 |
66
63
+ 3 |
28
23
+ 5 |
36
33
+ 3 |
49
48
+ 1 |
59
55
+ 4 |
67
60
+ 7 |
29
22
+ 7 |
39
32
+ 7 |
49
44
+ 5 |
58
50
+ 8 |
68
63
+ 5 |