Question

rog dau evaluare mâine 15 mai 2018 va rog mult

Answer 1

1.
a |__|
b |__|__|__| } 84

a = 1s
b = 3s
1s+3s=84
4s=84
1s=84:4
1s=21 primul numar (a)
3s=63 al doilea numar (b)
-----------------------------------
2.
m+n=60
m:n=5=>m=5n
5n+n=60
6n=60
n=10
m=50
-----------------------------------
3.
|___| baieti
|___|___| fete } 54

1s+2s=54
3s=54
1s=54:3
1s=18 baieti
2s=36 fete