CHRONO

10 s.

Additions et soustractions à trous.

CHRONO

0 s.
84 + = 86
51 + = 56
78 - = 77
62 - = 58
19 + = 25
42 - = 37
35 - = 30
30 - = 24
25 + = 27
74 - = 73
79 - = 78
55 + = 60
4 + = 10
93 - = 89
44 + = 44
84 - = 84
51 - = 46
48 + = 52
44 + = 47
13 + = 18