Question

найдите значение выражения 2 2/5 a+b,если a = 2 1/12, b=3 27/40

Answer 1

2 2/5 * 2 1/12 + 3 27/40 = 8 27/40

1) 2 2/5 * 2 1/12 = 12/5 * 25/12 = 5

2) 5 + 3 27/40 = 8 27/40