11 2/5 - 3 1/5 - х = 3 1/5
11 2/5 - 3 1/5 - 3 1/5 = х
х = 11 2/5 - 6 2/5 = 5
Ответ: 5.
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11 2/5 - 3 1/5 - х = 3 1/5
11 2/5 - 3 1/5 - 3 1/5 = х
х = 11 2/5 - 6 2/5 = 5
Ответ: 5.