Question

(2/9 + 3/9) + (4/9 - 10/9)

Answer 1

Olá!!!!!!!!

=(2/9+3/(3)2)+(4−10/9)=  

=(2/9+1/3)+(−2/3)=

=(2+33⋅3)+(−23)=

=(5/9)+(−2/3)=

=5+(−2⋅3)3⋅3=

=−(13)2=

=−1/9