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PLISSSS HELP ME!!!! DAU COROANA
Suma a 3 numere consecutive este 84.Sa se afle numerele.
Pliss am nevoie de ea astazi pana la ora 12


Răspuns :

primul numar(I)=a
al doilea(II)=a+1
al treilea(III)=a+2
I+II+III=84=>a+a+1+a+2=84=>3a+3=84=>3a=84-3=>3a=81=>a=81/3=>a=27
I=a=27
II=a+1=27+1=28
III=a+2=27+2=29....toata rezolvarea
a+b+c=84
b=a+1
c=a+2
⇒a+[a+1]+[a+2]=84
⇒3a=84-[1+2]
⇒3a=84-3
⇒3a=81
⇒a=81/3
⇒a=27;
⇒b=27+1=28;
⇒c=27+2=29;