3м 9 дм + 5м 6дм - 4м 8дм

Question

3м 9 дм + 5м 6дм - 4м 8дм

Answer 1

(3+5-4)м+(9+6-8)дм=4м7дм

Comments

(3+5-4)м+(9+6-8)дм=4м7дм

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4 м 7дм=47дм=4070 см

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4 м 7дм=47дм=470 см

Answer 2

39дм+56дм-48дм=4м 7дм