b) 200 cm2 = ..?.. dm2 80 000 cm2 = ..?.. dm2 3 400 mm2 = ..?.. cm2
b) 200 cm2 = ..?.. dm2
80 000 cm2 = ..?.. dm2
3 400 mm2 = ..?.. cm2
b)
200 cm2 = 2 dm2
80 000 cm2 = 800 dm2
3 400 mm2 = 34 cm2