Sagot :
Bonsoir,
1. 2h 30 min = 2,5 h
V = D/T = 10 km / (2,5 h) = 10/2,5 km/h = 4 km/h
2. T = D/V = 1/12 h = 1/12 * 60 min = 60/12 min = 5 min
3. 3h 15 min = 3,25 h
D = V * T = 130 km/h * 3,25 h = 130 * 3,25 km = 422,5 km
Bonsoir,
1. 2h 30 min = 2,5 h
V = D/T = 10 km / (2,5 h) = 10/2,5 km/h = 4 km/h
2. T = D/V = 1/12 h = 1/12 * 60 min = 60/12 min = 5 min
3. 3h 15 min = 3,25 h
D = V * T = 130 km/h * 3,25 h = 130 * 3,25 km = 422,5 km