Răspuns :

Adelinacozmaid

a:2=b:5

a+b=35

a,b=?

a:2 ____

b:5 ____

a___ ___

b___ ___ ___ ___ ___

Cat e o parte?

35:7=5

Cat e a?

5x2=10

Cat e b?

5x5=25

Anonim00139id
a:2=b:5
a+b=35

a |—|—|—|—|—|
b |—|—|
Acolada 35

35: 7= 5 (un segment)
5x2=10 (b)
5x5=25 (a)

Verficare: 25+10=35

Raspuns final: a=25; b-10

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