Question

Afla nr necunoscut din urmatoarea egalitate :
[(4+4):a+4×4:2]:3=3

Answer 1

[ ( 4 + 4 ) : a + 4 x 4 : 2 ] : 3 = 3
( 8 : a + 16 : 2 ) : 3 = 3
8 : a + 8 = 3 x 3
8 : a + 8 = 9
8 : a = 9 - 8
8 : a = 1
 a = 8 : 1
a = 8

Answer 2

[tex][(4+4):a+4*4:2]:3=3=>\\\\ [/tex][tex][(4+4):a+16:2]:3=3\\ 8:a+8:3=3\\ 8:a+8=3*3\\ 8:a=9-8\\ 8:a=1\\ a=8[/tex]