Question

stiind ca axb=30 si axc=60 calculeaza ax(b+c).

Answer 1

a x b = 30 si a x c = 60

a x ( b + c ) = a x b + a x c = 30 + 60 = 90

→ am aplicat proprietatea inmultirii : distributivitatea

Answer 2

axb=30, axc=60

ax(b+c)=axb+axc=30+60=90