pakai cara ya yang bener cepet jelas yang A-J

a) 15 km + 25 hm
= 1500 dam + 250 dam
= 1750 dam

b) 1,75 km - 20 dam
= 1.750 m - 200 m
= 1.050 m

c) 45 dm + 750 mm
= 450 cm + 75 cm
= 525 cm

d) 6 dam - 150 dm
= 60.000 mm - 15.000 mm
= 45.000 mm

e) 2.500 km - 2500 dam
= 2.500 - 25
= 2.475 km