Question

Дам 20 баллов.
Помогите.

(1 1/3)²

Answer 1

^ знак степени; ^2 во второй

(1 1/3)^2= ( (1•3+1)/3 )^2=

(4/3)^2= (4•4)/(3•3)= (4•4)/(3•3)=

16/9=1 7/9