54 дм³ 12 см³ : 14=? подробное объяснение! , мне ! )

Question

Математика: 54 дм³ 12 см³ : 14=? подробное объяснение! , мне ! )

hamidullinelnar · Accepted Answer

(6 1/2 - 4 1/4) : 2 1/2 = 9/10 1) 6 1/2 - 4 1/4 = 6 2/4 - 4 1/4 = 2 1/4 2) 2 1/4 : 2 1/2 = 9/4 : 5/2 = 9/4 * 2/5 = 9/10 (4 8/15 - 1 1/3) * 1 7/8 = 6 1) 4 8/15 - 1 1/3 = 4 8/15 - 1 5/15 = 3 3/15 = 3 1/5 2) 3 1/5 * 1 7/8 = 16/5 * 15/8 = 6 (2 2/3 + 1 5/6) : 1 1/2 = 3 1) 2 2/3 + 1 5/6 = 2 4/6 + 1 5/6 = 3 9/6 = 4 3/6 = 4 1/2 2) 4 1/2 : 1 1/2 = 9/2 : 3/2 = 9/2 * 2/3 = 3 (3 1/6 - 2 7/15) : 1 2/5 = 1/2 1) 3 1/6 - 2 7/15 = 3 5/30 - 2 14/30 = 2 35/30 - 2 14/30 = 21/30 = 7/10 2) 7/10 : 1 2/5 = 7/10 : 7/5 =...

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