Răspuns :
{6-[(-282)-(4-18)]}-644=
{6-[(-282)-(-14)]}-644=
{6-[(-282)+14]}-644=
(6+268)-644=
274-644=
(-370)
{6-[(-282)-(-14)]}-644=
{6-[(-282)+14]}-644=
(6+268)-644=
274-644=
(-370)
{6-[282x(-1)-(4-18)]}-644=
[6-(282x(-1)-14)]-644=
[6-(282x14)]-644=
(6-3948)-644=
3942-644=
3298 (sper ca e bn ..:) )
[6-(282x(-1)-14)]-644=
[6-(282x14)]-644=
(6-3948)-644=
3942-644=
3298 (sper ca e bn ..:) )