Răspunsuri

2014-05-27T19:26:58+03:00
A+b+c=49

b+9=a

b-5=c

b+9+b+b-5=49
3b+4=49
3b=49-4
3b=45
b=15

a=15+9=24
c=15-5=10
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  • Utilizator Brainly
2014-05-27T19:27:47+03:00
A.I_____I+5+9
b.I_____I+5
c.I_____I

Suma este 49 . Aflam suma partilor egale :
  49-19=30
  30:3=10 ( nr. c )
  10+5=15 ( nr. b )
  10+5+9=24 ( nr. a )

Verificare : 24+15+10=49
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