12 dam - 40.000 mm = ...cm ? 20 km - 12 hm = ... dam ? 15 hm - 15 dam + 10 cm = ... dm ?

jawab

12 dam - 40.000 mm=..cm
=12.000 cm - 4000 cm
=8000 cm

20 km - 12 hm=..dam
=2000 dam - 120 dam
=1880 dam

15 hm - 15 dam + 10 cm=..dm
=15.000 dm - 1500 dm + 1 dm
=13.501 dm

semoga membantu

1) 12 dam=12.000 cm
40.000 mm=4.000 cm
=12.000-4.000
=8.000 cm
2) 20 km=2.000 dam
12 hm=120 dam
=2.000-120
=1.880 dam
3) 15 hm=15.000 dm
15 dam=1.500 dm
10 cm=1 dm
=15.000-1.500+1
=13.500+1
=13.501 dm
semoga membantu