( 1/2 минус 1/3)• 6=
( 1/2 - 1/3 ) • 6 = 1 1) 1/2 - 1/3 = 3/6 - 2/6 = 1/6. 2) 1/6 • 6 = 1. Удачи)))
1/2*6-1/3*6= 3-2= 1 ..............