Question

Afla numerele " ascunse " sub xx , yy si zz :

xx : yy = zz     ;        xx - yy = 32

zz - yy = 5       ;       xx - zz = 27

zz + yy = 13     ;       xx - zz -yy = 23 

Answer 1

zz=5+yy
xx=32+yy
32+yy-5+yy-yy=23
yy=4
zz-4=5
zz=9
xx-9=27
xx=36
36-4-9=23