Ответ на вопрос: 1. Блок 1. Сложение обыкновенных дробей. Вычислите: 14/27 + 2/27; 11/35 + 12/35; 17/60 + 12/60; 32/55 + 23/55; 5/33 + 6/33; 12/48 + 12/48; 1/2 + 1/3; 1/3 + 1/4; 1/3 + 1/6; 1/10 + 7/100; 3/5 + 9/10; 2/3 + 5/6; 15/24 + 3/8; 7/6 + 16/18; 1/12 + 1/6; 1/4 + 1/8; 1/2 + 3/10; 3/36 + 7/9; 2/5 + 3/20; 1/6 + 5/12; 11/49 + 6/7; 13/24 + 5/8; 3/8 + 6/32; 6/120 + 3/20; 9/16 + 50/100; 1/6 + 1/9; 2/9 + 5/6; 2/9 + 3/8; 2/10 + 6/15; 3/10 + 2/12; 5/12 + 4/15; 3/4 + 5/18.