CHRONO

10 s.

Additions du type 50 + 70, 20 + 90.

CHRONO

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