Question

найдите значение выражения 4 7/12а +2/3,если а=1 3/5 а=4/11

Answer 1

1)4 7/12 * 1 3/5 + 2/3 = 55/12 * 8/5 + 2/3 = 22/3+2/3 = 24/3 = 8
2) 4 7/12 * 4/11 + 2/3 = 55/12 * 4/11 + 2/3 = 5/3 +2/3 = 7/3 = 2 1/3