Question

scrie toate numerele diviziile cu 2 de forma:
a) 19a
b)5aa
c)7a8
d)a0a​

Answer 1

REZOLVAREA IN ATAȘAMENT

Answer 2

$a) \overline{19a} \: \: \vdots \: \: 2 = > a \: \in \: \left\{0,2,4,6,8\right\}$

=>Numerele sunt :

190,192,194,196,198.

$b) \overline{5aa} \: \: \vdots \: \: 2 = >a \: \in \: \left\{0,2,4,6,8\right\}$

=>Numerele sunt :

500,522,544,566,588.

$c) \overline{7a8} \: \: \vdots \: \: 2= > a\:\in\:\left\{0,1,2,3,4,5,6,7,8,9\right\}$

=>Numerele sunt :

708,718,728,738,748,758,768,778,788,798.

$d) \overline{a0a} \: \: \vdots \: \: 2 = > a\:\in\:\left\{2,4,6,8\right\}$

=>Numerele sunt : 202,404,606,808.