Répondre :
8 tours = 5t + 3t = 4300 + 2580 = 6880 m
2t = 5t - 3t = 4300 - 2580 = 1720m
7t = 5t + 2t = 4300 + 1720 = 6020 m
10t = 8t + 2t = 6880 + 1720 = 8600 m
1t = 3t - 2t = 2580 - 1720 = 860 m
2t = 5t - 3t = 4300 - 2580 = 1720m
7t = 5t + 2t = 4300 + 1720 = 6020 m
10t = 8t + 2t = 6880 + 1720 = 8600 m
1t = 3t - 2t = 2580 - 1720 = 860 m