👤
a fost răspuns

Daca a•b=36 si ac=27 calculati:
A) a•(b+c)
B)a•(b-c)

Răspuns :

Saruca12
a.(b+c)=ab+ac=36+27=63
a.(b-c)=ab-ac=36-27=9

Deva
a)a(b+c)=axb+aXc=36+27=63
b)a(b-c)=axb-axc=36-27=9

Alte intrebari