Question

metoda grafica.problema 8 si 9

Answer 1

Problema 8.
a+b=24
a=b+4
b=un segment
a=un segment+4
24-4=20
20:2=10
b=10
a=10+4
a=14

Problema 9.
a+b=17
b=a+1
a=un segment
b=un segment+1
17-1=16
16:2=8
a=8
b=8+1
b=9
Coronita?

Answer 2

8.  |-----------|-4--|
     |-----------|
24-4=20
20:2=10 (masinute in a doua cutie )
10+4=14 (masinute in prima cutie )

9.    |------|
       |------|--1--|

17-1=16
16:2=8 (primul numar )
8+1=9 ( al doilea numar )
Sper ca te-am ajutat !