Question

suma a doua nr. este 44,iar diferenta lor este 28.Sa se afle nr.

Answer 1

[tex]x-primul-numar \\ y-al -doilea-numar \\ \left \{ {{x+y=44} \atop {x-y=28}} \right. =\ \textgreater \ \left \{ {{x=44-y} \atop {x-y=28}} \right. =\ \textgreater \ \\ \left \{ {{x=44-y} \atop {44-y-y=28}} \right. =\ \textgreater \ \left \{ {x=44-y} \atop {2y=16}} \right. =\ \textgreater \ \left \{ {{x=44-8=36} \atop {y=8}} \right. [/tex]

Answer 2

I_____I__I 28 diferenta
I_____I
 1.Egalam partile
44-28=16
2,Care este al doilea numar?
16:2=8
3.Dar primul nr?
8+28=36
VERIFICARE 36+8=44
                   36-8=28