Respostas

2014-04-27T15:53:03-03:00
A resposta certa e 4
1 5 1
Kd O Calculo?
[ a-(b+c) ] [ a+(b+c) ] =40
[ 10 ] [ a+(b+c) ] =40
a+(b+c) = 40/10
a+b+c=4
Obrigadaa