Question

Com os algarismos 0, 1, 2, 3, 4, 5, 6, 7 e 8 quantos números pares
de três algarismos distintos podemos formar? quempuder responder ai o mais rapido possivel, responde pf

Answer 1

$\large\boxed{\begin{array}{l}\rm(0,1,2,3,4,5,6,7,8)\\\underline{\sf Pares\,com\,0\,no\,final\!:}\\\rm\underline{8}\cdot\underline{7}\cdot\underline{1}=56\\\underline{\sf Pares\,sem\,0\,no\,final\!:}\\\rm\underline{7}\cdot\underline{7}\cdot\underline{4}=196\\\underline{\sf Ao\,todo\,teremos:}\\\rm 56+196=252\end{array}}$