Soutien Scolaire Keepschool

Longueurs et masses

1) Les longueurs peuvent se mesurer en mètres.
2) Les masses peuvent se mesurer en grammes.
3) 12 m = 0,12 dam
4) 540 cm = 5,4 m
5) 144 mm = 1,44 dm
6) 580 dag = 58 kg
7) 690 mg = 69 dg
8) A quoi est égal 58 m?
9) A quoi est égal 986 g ?
10) 17.856 cm = 178.560 mm
11) 45.023 dm = 4.502.300 mm
12) 1 mg = 0, 01 dg
13) 3 kg = 0,000003 mg
14) 69 mm = 0,00069 hm
15) A quoi est égal 23 dm ?
16) A quoi est égal 4.876 m?
17) 890.210 cm = 8,9021 km = 89,021 hm = 8.902.100 mm
18) 3 dm = 0,0003 km = 300 mm = 0,03 m
19) 25 mm = 0,025 m = 250 dm
20) 594 dam = 59.400 m = 594.000 mm
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