Question

complete com a parcela que falta. a) (2+6)+2=2+(6+ .... )

b) (3+5)+3=......+(5+3)

c) (3+....)+4=3+(2+4)

d) (1+6)+....=1+(6+5)

Answer 1

(3+5) + 3 = 3 + (5+3)      c_ (3 + 2) + 4 = 3 + (2 + 4)  d) (1 + 6 ) + 5 = 1 + (6 + 5)