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3 и 3/7 * 3 и 1/2 : (1 и 1/11 - 27/55)
1) 1 и 1/11 - 27/55 = 12/11 - 27/55 = 60/55 - 27/55 = 33/55
2) 3 и 3/7 * 3 и 1/2 = 24/7 * 7/2 = 168/14 = 12
3) 12 : 3/5 = 12/1 : 3/5 = 20
ответ: 20
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3 и 3/7 * 3 и 1/2 : (1 и 1/11 - 27/55)
1) 1 и 1/11 - 27/55 = 12/11 - 27/55 = 60/55 - 27/55 = 33/55
2) 3 и 3/7 * 3 и 1/2 = 24/7 * 7/2 = 168/14 = 12
3) 12 : 3/5 = 12/1 : 3/5 = 20
ответ: 20