Question

Suma a patru nr nat pare consecutive este 404.aflati cele patru nr.

Answer 1

a |----------|
b |----------|2|
c |----------|2|2|
d |----------|2|2|2|            } 404.

404 - ( 2+2+2+2+2+2) = 404 - 12 = 392 ( 4 segmente egale)
392 : 4 = 98 (a)
98 +2 = 100 (b)
98 +2+2 = 102 (c)
98 +2+2+2 = 104 (d)
Verificam : 98 + 100 + 102 + 104 = 404 ( a+b+c+d).

Answer 2

a+b+c+d=404. b=a+2. c=a+4. d=a+6 a+a+2+a+4+a+6=404 4a+12=404 |-12 4a=392 |:4 a=98 b=100 c=102 d=104