Question

Va rog!
Ma puteti ajuta?
Dau inima si coroana!​

Answer 1

Răspuns:

x+y=50

x:y=3 rest 6

x=y×3+6

y×3+6+y=50

4y+6=50

4y=50-6

4y=44

y=44:4

y=11

x=11×3+6

x=33+6

x=39

(x-y):4+x:13

(39-11):4+39:3

28:4+3

7+3

=10

..............................