CHRONO

-INF s.

Additions et soustractions à trous.

CHRONO

0 s.
8 + = 8
21 + = 26
1 - = 1
56 - = 56
37 - = 36
28 + = 31
90 - = 88
65 - = 61
46 - = 43
50 + = 55
40 + = 40
64 + = 70
18 + = 18
93 - = 91
65 + = 71
66 - = 60
32 - = 28
80 - = 80
13 + = 19
77 - = 76