Question

Mă puteti ajuta va rog la cele 2 probleme

Answer 1

14)

|___| a 
|___|___|___|___|___|___|___| 7a

7a-a=6a=48
a=48:6=8 ilustrate are fratele
7a=7x8=56 ilustrate are Marta
56+8=64 ilustrate au impreuna

15)
|___| a
|___|___|___|___| 4a

4a-a=21
3a=21
a=21:3
a=7 costume barbatesti
4a=4x7=28 costume pentru femei