решить уравнение 3:3 3/4 + 2 2/5 *2 1/2-3 5/6 по действиям!!. Created by CRDQ. matematika-ru

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решить уравнение 3:3 3/4 + 2 2/5 *2 1/2-3 5/6 по действиям!!

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prettypushkova

Verified answer

3 : 3 3/4 + 2 2/5 * 2 1/2 - 3 5/6 = 2 целых 29/30

1) 3 : 3 3/4 = 3 : 15/4 = 3 * 4/15 = 4/5
2) 2 2/5 * 2 1/2 = 12/5 * 5/2 = 12/2 = 6
3) 4/5 + 6 = 6 4/5
4) 6 4/5 - 3 5/6 = 6 24/30 - 3 25/30 = 5 54/30 - 3 25/30 = 2 29/30

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