Question

2 2/3a - 1 1/6a при a 2/3​

Answer 1

(2 2/3)а - (1 1/6)а = (2 4/6)а - (1 1/6)а = (1 3/6)а = (1 1/2)а = (3/2)а.

если а = 2/3

(3/2)а = 3/2 · 2/3 = 6/6 = 1

Ответ: 1.