2 a 6 cm b 4.5 cm c 8.9 cm 3 a mm b m cm d km em f mm g cm 4 Pupils' own ... mm W 20 mm 5 5 m = 500 cm 1.24 m = 124 cm 0.75 m = 75 cm 8.32 m = 832 cm 0.08 m ...
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