Question

Suma a trei nr consecutive pare este 384
Afla nr.Reprezinta grafic!

Answer 1

a+b+c=384
b=a+2
c=b+2
c=a+4
a=? b=? c=?
a I_I
b I_I_2_I
c I_I_2_I_2_I acolada 384
2+2+2=6(suma partilor cunoscute)
384-6=378(trei parti egale)
378:3=126(a)
126+2=128(b)
128+2=130(c)

Answer 2

a+b+c=384;
⇒a+a+2+a+4=384
⇒3a+6=384
⇒3a=378
⇒a=126;
⇒b=128;
⇒c=130;