Matematică, întrebare adresată de neacsuanca123, 9 ani în urmă

Va rog ajutati-ma la problema de mai jos.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
a+b+c=900
b=3a+1
c=a:2-1
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Aflati numerele !!!Faceti problema algebric !!!Multumesc!!!

Răspunsuri la întrebare

Răspuns de tomaariciu
1


Inlocuiesti: a+3a+1+a:2-1=900                       4a+1+a:2=900+1=901/x2

8a+2+a=1802                                                  9a=1802-2=1800

a=1800:9                                                         a=200

b=3x200+1                                                      b=601

c=200:2-1                                                        c=99

Verificare

200+601+99=900



neacsuanca123: Iti multumesc mult
tomaariciu: Cu placere.
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