Вычислить дроби 5/12+(1/12+1/4)

Question

Вычислить дроби 5/12+(1/12+1/4)

Answer 1

5/12+(1/12+1/4)= 5/12+(1/12+3/12)= 5/12+4/12=9/12=3/4

Answer 2

5/12+(1/12+3/12)=5/12+4/12=9/12=3/4