Срочно( под номером 2)

Question

Срочно( под номером 2)

---

Answer 1

А – 4      5/24 + 7/8 = 5/24 + 21/24 = 26/24 = 13/12 = 1 1/12

Б – 1      9/4 - 5/6 = 27/12 – 10/12 = 17/12

В – 3      2 2/9 х 3/15 = 20/9 х 3/15 = (20х3)/(9х15) = (4х1)/(3х3) = 4/9

Г – 2       5/12 : ¾ = 5/12 х 4/3 = (5х4)/(12х3) = (5х1)/(3х3) = 5/9

Comments

спасибо