Вычисли а)1/6+1/9 е) 5/12+4/15
1/6 + 1/9 = 3/18 + 2/18 = 5/18 5/12 + 4/15 = 25/60 + 16/60 = 41/60
А)1/6+1/9=3/18+2/18=5/18 е)5/12+4/15=25/60+16/60=41/60
Пжл)