Question

fulg+fulg+fulg=30
fulg+acadea+acadea=20
acadea+vin+vin=9
acadea+fulg+vin=?
rog seriozitatea

Answer 1

Explicație pas cu pas:

3xFulg=30

Fulg=10

10+2xAcadea=20

2xAcadea=10

Acadea=5

5+2xVin=9

2xVin=4

Vin=2

5+10+2=17

Answer 2

Răspuns:

30÷3=10

1fulg=10

10+a+a=20

10+2a=20

2a=20-10

2a=10

a=10÷2

a=5

1 acadea =5

5+v+v=9

5+2v=9

2v=9-5

2v=4

v=4÷2

v=2

1vin=2

5+10+2=17