Question

Punctele m si n. Vă rog!

Answer 1

m)
1/3*2^2+7/3*2^2+5/3*2^2+3/3*2^2=
=(1+7+5+3)/3*2^2=16/12=4/3=1,(3)


n)
1/3^2*5*7+4/3^2*5*7+2/3^2*5*7=
=(1+4+2)/3^2*5*7=
=7/3^2*5*7=
=1/3^2*5=
=1/45=0,0(2)