3+6×[30+6×(3+5×6)-28]-3=
= 3+6×[ 30+6×(3+30)-28]-3
= 3+6×(30+6×30-28)-3
= 3+6×(30+180-28)-3
= 3+6×(210-28)-3
= 3+6×182-3
= 3+1092-3
= 3+1095-3
=1098-3
= 1095
2+2×[2+3×(306:3-202:2)]=
= 2+2×[ 2+3×(102-101)]
=2+2×( 2+3×1)
= 2+2×(2+3)
= 2+2×5
= 2+10
=12
sper ca te-am ajutat