Question

det.3 nr.daca suma loreste 1090 suma primelor2 nr este837 si suma ultimilor2este730

Answer 1

a+b+c=1090
a+b=837 =>a=837-b
b+c=730 => c=730-b

837-b+b+730-b=1090
-b=-477 => b=477
a=360
c=253