CHRONO

-INF s.

Ajouter ou soustraire des dizaines entières et compléments.

CHRONO

0 s.
85 - 10 =
22 = 10 +
86 = 10 +
20 + 88 =
71 = 60 +
50 + 18 =
60 + 25 =
97 = 40 +
82 = 10 +
37 - 20 =
62 + 20 =
97 = 80 +
83 = 30 +
20 + 59 =
45 + 40 =
48 = 10 +
55 - 40 =
85 + 20 =
60 + 16 =
70 + 14 =