вычисли:1) 9 дм-6 дм 4 см +24 см= .........2) 1 м 8 дм +42 дм -2 м 7 дм = ....... 3) 3 дм 5 см + 4 дм 7 см - 69 см=.........4) 7 м 2 дм - 58 дм + 1 м 7 дм =
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