Question

найдите значение выражения 22*(1*12+ 711)

Answer 1

22 * (1 * 1/2 + 7/11) = 25
1) 1 * 1/2 = 1/2
2) 1/2 + 7/11 = 11/22 + 14/22 = 25/22
3) 22 * 25/22 = 25