7.5-(4.7-1.3)= (6.7x-4.5y)-(3.2+1.3y) = За 34бала

Question

7.5-(4.7-1.3)=
(6.7x-4.5y)-(3.2+1.3y) =
За 34бала

Answer 1

1) 7.5-(4.7-1.3)=4.1
2) (6.7x-4.5y)-(3.2+1.3y) =2.3x

Answer 2

1)4.1
2)6.7x-5.8y-3.2