Ответ:
1 1/2
Пошаговое объяснение:
2 11/14x - 1 20/21 = 1 1/4
2 33/42x - 1 40/42x = 5/4
35/42x = 5/4
x = 5/4 * 42/35
x = 21/14
x = 1 7/14 = 1 1/2
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Answers & Comments
Ответ:
1 1/2
Пошаговое объяснение:
2 11/14x - 1 20/21 = 1 1/4
2 33/42x - 1 40/42x = 5/4
35/42x = 5/4
x = 5/4 * 42/35
x = 21/14
x = 1 7/14 = 1 1/2