CHRONO

2 s.

Additions du type 50 + 70, 20 + 90.

CHRONO

0 s.
70 + 30 =
50 + 90 =
50 + 70 =
20 + 30 =
80 + 40 =
70 + 10 =
30 + 30 =
10 + 10 =
80 + 70 =
10 + 90 =
80 + 50 =
60 + 80 =
50 + 20 =
70 + 50 =
40 + 20 =
80 + 30 =
20 + 80 =
70 + 40 =
40 + 90 =
20 + 20 =