Rettangolo 1
perimetro=2·(3·a + 2/3·b) = 6·a + 4·b/3
area=3·a·(2/3·b) = 2·a·b
Rettangolo 2
perimetro=2·(3·a + 4/3·b) = 6·a + 8·b/3
area=3·a·(4/3·b) = 4·a·b
Somma aree= 2·a·b + 4·a·b = 6·a·b MONOMIO
somma perimetri=6·a + 4·b/3 + (6·a + 8·b/3) = 12·a + 4·b NON MONOMIO (binomio)