Bonjour,
708mg =70,8 cg
9,49 cm² = 0,000949m²
664hg = 66 400g
5 L = 500cL
2dm² =20 000 mm²
exercice 7
= 2 300m
27km² = 270 000dam²
= 0, 0092 km
Exercice 8
540 L = dm³
= 13 500m
1ha =10 000m²
Exercice 9
= 1 000L
100dm³ = 10 000 cL
500 dm³ = 0,5m³
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Bonjour,
708mg =70,8 cg
9,49 cm² = 0,000949m²
664hg = 66 400g
5 L = 500cL
2dm² =20 000 mm²
exercice 7
= 2 300m
27km² = 270 000dam²
= 0, 0092 km
Exercice 8
540 L = dm³
= 13 500m
1ha =10 000m²
Exercice 9
= 1 000L
100dm³ = 10 000 cL
500 dm³ = 0,5m³