Răspuns :
(12+24+36+....+444):(6+12+18+.....+222)
=
= (12+24+36+....+444)/(6+12+18+.....+222) =
[12(1+2+3+ ... + 37)]/[6(1+2+3+ ... + 37)] = 2
= (12+24+36+....+444)/(6+12+18+.....+222) =
[12(1+2+3+ ... + 37)]/[6(1+2+3+ ... + 37)] = 2
(12+24+36+...+444)/(6+12+18+...+222)=
12(1+2+3+...+37)/6(1+2+3+...+37)=
12/6=2
12(1+2+3+...+37)/6(1+2+3+...+37)=
12/6=2