(a) Add:- 4 dam, 7 dam 20 cm and 9 dam 46 cm
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Answer:
20 dam 66cm or 200m 66cm
Step-by-step explanation:
4 dam + 7 dam 20 cm + 9 dam 46 cm
= 20 dam 66cm
1 dam = 10 meter
20 dam = 200 meter
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