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Sagot :

Réponse:

2350+3890+2867 = 9107m = 9,107km

Explication:

23,5hm = 2350m

3,89km = 3890m

286,7dam = 2867m

Tu additionnes et puis 9107m = 9,107km

1 hm = 100 m donc 23.5 hm = 2 350m

1 km = 1000 m donc 3,89 km = 3 890 m

1 dam = 10 m donc 286,7 dam = 2 867 m

2 350 + 3890 + 2867 = 9 107 m = 9,107 km

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