ответ: 3/4.
1) 8/11 + 4/33 = 24/33 + 4/33 = 28/33
2) 7/11 : 28/33 = 3/4
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7/11 : (8/11 + 4/33) = 3/4
ответ: 3/4.
1) 8/11 + 4/33 = 24/33 + 4/33 = 28/33
2) 7/11 : 28/33 = 3/4
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7/11 : (8/11 + 4/33) = 3/4