Сложите дроби 2/3,1/6 и 1/4
2/3+1/6+1/4= =5/6+1/4=1 1/12 2/3+1/6=4/6+1/6=5/6 5/6+1/4=10/12+3/12=13/12=1 1/12
)4*2/3+2)*1/6+3)*1/4= 8/12+2/12+3/12= 13/12