CHRONO

-INF s.

Ajouter ou soustraire des dizaines entières et compléments.

CHRONO

0 s.
95 = 60 +
80 + 27 =
80 + 15 =
10 + 46 =
83 - 40 =
10 + 47 =
25 + 20 =
76 - 20 =
63 = 50 +
10 + 52 =
50 + 28 =
93 = 40 +
55 - 50 =
53 + 10 =
20 + 73 =
62 = 10 +
98 - 60 =
75 = 30 +
82 = 70 +
40 + 35 =