1/5+1/9+1/3= 9/45+5/45+15/45= 29/45
1/2+3/5+2/3= 15+30+18/30-20/30= 13/30
5/6+3/8-1/4= 20/24+9/24-6/24= 23/24
5/9+1/6+3/4= 20/36+6/36+27/36= 53/36 = 1 цел 17/36
1/4+4/9+5/6= 9/36+16/36+30/36= 55/36= 1цел 19/36
1/4+1/5-3/10= 5/20+4/20-6/20= 3/20
Пошаговое объяснение:
