CHRONO

38 s.

Additions et soustractions à trous.

CHRONO

0 s.
44 - = 42
72 - = 67
78 + = 81
89 - = 85
24 + = 28
20 + = 23
76 - = 71
16 + = 17
65 + = 66
49 + = 55
53 - = 48
15 - = 13
94 + = 95
95 - = 90
8 - = 6
73 + = 75
13 + = 14
52 + = 55
90 + = 95
68 - = 64