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a. 70 dm = 6m = 36 dm 43 m = 000 mm cm mm mm b. 250 cm = 1 400 mm = 140 cm = 3 000 mm = dm dm dm cm​

A 70 Dm 6m 36 Dm 43 M 000 Mm Cm Mm Mm B 250 Cm 1 400 Mm 140 Cm 3 000 Mm Dm Dm Dm Cm class=