Răspuns :
a+b+c=? (numerele)
a=149
b=a + 150 =>> b=199
c=b+ 150 =>>c=349
Deci 149 + 199 + 349 = 697
a=149
b=a + 150 =>> b=199
c=b+ 150 =>>c=349
Deci 149 + 199 + 349 = 697