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at_answer_text_math
bonjour
5 + 8 = 13
distance = 13 km
4 + 11 + 9 = 24
temps mis = 24 min = 0.4 h
vitesse moyenne = 13 : 0.4 = 32.5 km/h
at_explanation_text_math
at_answer_text_math
bonjour
5 + 8 = 13
distance = 13 km
4 + 11 + 9 = 24
temps mis = 24 min = 0.4 h
vitesse moyenne = 13 : 0.4 = 32.5 km/h
at_explanation_text_math