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a+b=45 si a×c+a×b=450 ,calculati 3×a+3×b+3×c=?(Urgent)

Răspuns :

Elakissup3bs9j
A+b=45
axc+bxc=450
c(a+b)=450
cx45=450
c=10

3a+3b+3c=3(a+b+c)=3(45+10)=3x55=165

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