Question

15. Suma a trei numere consecutive este 27. Så se afle numerele metoda grafica
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Answer 1

a+b+c=27

b=a+1 (numere consecutive)

c=b+1=a+1+1=a+2

a+b+c=27

a+a+1+a+2=27

3a+3=27

3a=27-3

3a=24

a=24:3

a=8

b=a+1=8+1=9

c=b+1=9+1=10

NUMERELE SUNT

• 8
• 9
• 10