Question

scrie nr 4/5 ca suma de doua nr rationale a)egale b) diferite.
6) un patrat are perimetrul 4/5mce lungime are latura?

Answer 1

a) 2/5+2/5=4/5
b)1/5+3/5=4/5
6) P=4*l
4/5=4*l
l=4/5/4
l=4/5*1/4
l=4/20
l=1/5