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Y4enI4ek
@Y4enI4ek
July 2022
2
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РЕШИТЕ УРАВНЕНИЕ! П0ЖАЛУЙСТА СР0ЧН0! 8 5/9 - 1 1/15x = 3 16/45
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Olga66611
8 5/9 - 1 1/15х = 3 16/45
1 1/15х = 8 5/9 - 3 16/45 = 8 25/45 - 3 16/45 = 5 9/45 = 5 1/5
х = 5 1/5 : 1 1/15 = 26/5 : 16/15 = 26/5 * 15/16 = (13*3)/(1*8) = 39/8 = 4 7/8
х = 4 7/8
---------------------
Проверка: 8 5/9 - 1 1/15 * 4 7/8 = 3 16/45
8 5/9 - 16/15 * 39/8 = 3 16/45
8 5/9 - 78/15 = 3 16/45
8 5/9 - 5 3/15 = 3 16/45
8 25/45 - 5 9/45 = 3 16/45
3 16/45 = 3 16/45
Ответ: 4 целых 7/8 - корень уравнения.
2 votes
Thanks 3
Y4enI4ek
спасибо
Olga66611
Пожалуйста)
prettypushkova
Verified answer
16/15х=8*5/9-3*16/45
16/15х=5*1/5
х=4*7/8
3 votes
Thanks 5
Y4enI4ek
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Answers & Comments
1 1/15х = 8 5/9 - 3 16/45 = 8 25/45 - 3 16/45 = 5 9/45 = 5 1/5
х = 5 1/5 : 1 1/15 = 26/5 : 16/15 = 26/5 * 15/16 = (13*3)/(1*8) = 39/8 = 4 7/8
х = 4 7/8
---------------------
Проверка: 8 5/9 - 1 1/15 * 4 7/8 = 3 16/45
8 5/9 - 16/15 * 39/8 = 3 16/45
8 5/9 - 78/15 = 3 16/45
8 5/9 - 5 3/15 = 3 16/45
8 25/45 - 5 9/45 = 3 16/45
3 16/45 = 3 16/45
Ответ: 4 целых 7/8 - корень уравнения.
Verified answer
16/15х=8*5/9-3*16/4516/15х=5*1/5
х=4*7/8