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va rog urgent ofer coroana ex 9 .​

Va Rog Urgent Ofer Coroana Ex 9 class=

Răspuns :

Răspuns:

[tex]s=2b+2\\\\d=4b+4\\\\b=d-25= > b=4b+4-25= > 3b=21= > b=21:3= > b=7-barcute.Bogdan\\\\s=2*7+2= > s=16-barcute.Silvia\\\\d=4*7+4= > d=32-barcute.Damian[/tex]