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Pouvez vous m’aidez svp
A/ 300 000 km/s = ...m/s
B/ 225 563 000 m/s = ... km/s
C/ 300 000 000 m/s = ... km/s
D/ 200 000 km/s = ..m km/h
E/ 210 000 000 m/s = ... km/h
F/ 446 281 210 km/h = ... m/s

Sagot :

LOULAKAR

Bonjour


Bonsoir

A/ 300 000 km/s = 300 000 000 m/s

B/ 225 563 000 m/s = 225 563 km/s

C/ 300 000 000 m/s = 300 000 km/s 


D/ 200 000 km/s = 200 000 x 3600 = 720 000 000 km/h

E/ 210 000 000 m/s = 210 000 km/s = 210 000 x 3600 = 756 000 000 km/h

F/ 446 281 210 km/h = 446 281 210 000 m/h = 446 281 210 000 / 3600 ~ 123 967 003 m/s

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