найди значения выражения 6+4 целых 9/11 , 1/14+9 целых 3/7, 5/7+3 целых 1/4. Created by evp1977. matematika-ru

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evp1977 @evp1977

October 2021 1 20 Report

найди значения выражения 6+4 целых 9/11 , 1/14+9 целых 3/7, 5/7+3 целых 1/4

Answers & Comments

OlgaOrlova99 (1) 6 + 4 целых 9/11 = 6 + 53/11 = (66+53)/11 = 119/11 = 10 целых 9/11 [ИЛИ]
6 + 4 целых 9/11 = (6 + 4) + 9/11 = 10 + 9/11 = 10 целых 9/11
(2) 1/14 + 9 целых 3/7 = 1/14 + 66/7 = (1 + 66×2)/14 = (1 + 132)/14 = 133/14 = 19/2 = 9,5
(3) 5/7 + 3 целых 1/4 = 5/7 + 13/4 = (5×4 + 13×7)/(7×4) = (20 + 91)/28 = 111/28 = 3 целых 27/28 [ИЛИ]
5/7 + 3 целых 1/4 = 3 + (5/7 + 1/4) = 3 + (5×4 + 1×7)/(7×4) = 3 + (20 + 7)/28 = 3 + 27/28 = 3 целых 27/28

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kak reshit uravnenie x 9225

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