CHRONO

52 s.

Ajouter ou soustraire des dizaines entières et compléments.

CHRONO

0 s.
95 = 50 +
40 + 58 =
60 + 32 =
95 - 20 =
10 + 97 =
97 = 30 +
92 - 30 =
34 = 30 +
46 - 30 =
13 + 20 =
88 - 40 =
20 + 25 =
70 + 13 =
50 + 57 =
39 - 30 =
92 = 20 +
10 + 32 =
22 + 60 =
16 + 60 =
20 + 45 =