Question

Me AJUDEM PLMDS, EU PRECISO ENTREGAR HOJE, AS 20:00

Answer 1

Resposta:

a resposta correta e a letra eu acho que e 2a+3b+c

Answer 2

Resposta:

$=a+a+b+b+b+c\\=2a+3b+c\\\\ou\\\\=2\bullet{a}+3\bullet{b}+1\bullet{c}\\=2a+3b+c$