Обчисли (166/7+122/7)-154/7 та 183/10-(43/10+11/10)
(166/7+122/7)-154/7 = (166+122-154)/7 = 134/7 = 19 1/7; 183/10-(43/10+11/10) = (183 - 43 - 11)/10 = 129/10 = 12 9/10