Mathématiques

Question

Bonjour pouvez vous m'aider pour mes maths svp. Écris les distances suivantes en cm.

42 dm = ............ cm
2 m 25 cm = ............ cm
25 m = ............ cm
2 dam 12 m = ............ cm
750 mm = ............ cm
7 m 2 dm = ............ cm
120 dm = ............ cm
102 m = ............ cm
35 mm = ............ cm
1 dam 2m = ............ cm

2 Réponse

  • Réponse:

    42 dm = 420 cm

    2 m 25 cm = 225 cm

    25 m = 2500 cm

    2 dam 12 m = 3200 cm

    750 mm = 75 cm

    7 m 2 dm = 720 cm

    120 dm = 1200 cm

    102 m = 10200 cm

    35 mm = 3.5 cm

    1 dam 2m = 1200 cm

  • 42dm=420cm

    2m=200cm
    200cm+25cm=225cm

    2m25cm=225cm

    25m=2500cm

    2dam=2000cm
    12m=1200cm
    2000cm+1200cm=3200cm

    2dam12m=3200cm

    750mm=75cm

    7m=700cm
    2dm=20cm
    700cm+20cm=720cm

    7m2dm=720cm

    120dm=1200cm

    102dm=1020cm

    35mm= 3,5cm

    1 dam=1000cm
    2m=200cm
    1000cm+200cm=1200cm

    1dam2m=1200cm

    Bonne soirée.

Autres questions