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aflati 3 numere naturale consecutive pare a caror suma este 102.plssssss

Răspuns :

a + a + 2 + a + 4 = 102
3a = 102 - 6
a = 96 : 3
a = 32
a + 2 = 32 + 2 = 34
a + 4 = 32 + 4 = 36
Fie a,b,c cele 3 numere naturale consecutive pare.
a+b+c=102
b=a+2
c=b+2=a+2+2=a+4
=>a+b+c=a+a+2+a+4=102
=>3a+6=102
3a=102-6=96
a=96:3=32
b=32+2=34
c=34+2=36

VERIFICARE: 32+34+36=102