Eucarask
a fost răspuns

Cine stie ?z=18-15
12+F=17
N+11=16
a+13=19
a=

Răspuns :

Crys157724ask

z=18-15

z=3

12+f=17

f=17-12

f=5

n+11=16

n=16-11

n=5

a+13=19

a=19-13

a=6

Daniel201793ask

Răspuns:

a)z=18-15

z=3

b)12+f=17

f=17-12

f=5

v:12+5=17

c)n+11=16

n=16-11

n=5

v:5+11=16

d)a+13=19

a=19-13

a=6

v:6+13=19