Question

Clasa 1
X,Y,Z=?
X+X=24
Y+Y+Y=36
Z+Z+Z=99
X+Y+Z=?
X+X+Y+Y+Y=?
Z-Y-Y=?
Z-X+Y=?
Y-X+Z=?

Answer 1

Răspuns:

Bună!

Explicație pas cu pas:

Sper ca te-am ajutat!

Answer 2

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=24+33=57

x+x+y+y+y=2x+3y=2×12+3×12=24+36=60

z-y-y=33-12-12=33-24=9

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

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