Răspuns :
[(6:6 +4):5+9]*222=
=[(1+4):5+9]*222=
=(5:5+9)*222=
=(1+9)*222=
=10*222=2220
=[(1+4):5+9]*222=
=(5:5+9)*222=
=(1+9)*222=
=10*222=2220
[(6:6+4):5+9]*222=
[(1+4):5+9]*222=
(5:5+9)*222=
(1+9)*222=
10*222