Автор - korchagin1905
(1/3)х + 2 2/5 = 3 2/3
(1/3)х = 3 2/3 - 2 2/5
(1/3)х = 3 10/15 - 2 6/15
(1/3)х = 1 4/15
х = 1 4/15 : 1/3
х = 19/15 · 3/1
х = 19/5
х = 3 целых 4/5
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Проверка: 1/3 · 19/5 + 2 2/5 = 19/15 + 2 6/15 = 2 25/15 = 3 10/15 = 3 2/3
Ответ:
Пошаговое объяснение:
1/3 X + 2 2/5 = 3 2/3
13х=3 23-2 25
13х=3 1015-2 615
13х=1 415
х=1 415:13
х=1915*3
х=195
х=3 45