Ajutatima la cele doua probleme
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Răspuns: pentru a doua
a+b+c= 2450
a= 250+b si a=180+c deci 250+b=180+c =250-180+b=c : C=70+b
250+b+b+70+b=2450 deci 3b+320=2450 rezulta 3b=2130 deci b=710
a= 960 si c=780