tolong dengan caranya please...

A. 1/20 x 1 m
= 1/20 x 100 cm
= 5 cm

B. 2 cm : 1/200.000
= 2 cm x 200.000/1
= 400.000 cm
= 4 km

C. 1/20 x 6 m
= 1/20 x 600 cm
= 30 cm

D. 100 cm : 1/1
= 100 cm
= 1 m

semoga membantu:)