(7x9-27):6x3:9x4:2-4

Răspuns :

(7·9-27):6·3:9·4:2-4=
(63-27):6·3:9·4:2-4=
36:6·3:9·4:2-4=
6·3:9·4:2-4=
18:9·4:2-4=
2·4:2-4=
8:2-4=
4-4=0

Raspuns: 0
(7×9-27):6×3:9×4:2-4=
=(63-27):6×3:9×4:2-4=
=36:6×3:9×4:2-4=
=6×3:9×4:2-4=
=18:9×4:2-4=
=2×4:2-4=
=4-4=0