Question

Află x, y şiz, apoi calculează.
x + x = 24 y+y + y = 36 z+z+z=99

x+y+z= ? y-x+z =?
z-x+y=?
z-y-y=?
x+x+y+y+y=?

Answer 1

Răspuns:

x+x=24 =>2x=24 =>x=12

y+y+y=36 => 3y=36 => y=12

z+z+z=99 => 3z=99 => z=33

x+y+z=12+12+33=57

z-x+y=33-12+12=33

z-y-y=33-12-12=9

x+x+y+y+y=24+36=60

y-x+z=12-12+33=33