👤

1.Suma a trei numere impare consecutive este 75.Aflati numerele.


Răspuns :

x+x+1+x+2=75 3x+3=75 3x=75-3 3x=72 x=72/3=24 x=24 x=24+1=25 x=24+2=26 R:24,25,26
a+a+1+a+2+3=75
3*a3+3=75
a9+3=75/-3
a9=72/:3
a=24
a=a=0+24=24
b=a+1=1+24=25
c=a+2=2+24=23
                                      R:24,25,26