1) a) 2504
B) 1667
C) 36270
D) 1892
2) 3
3) a) adv
B) fals
C) adv
D) fals
4) 2x[39:(16-12:4)+(9+6:3)x7]
=2x[39:(16-3)+(9+2)x7]
=2x(39:13+11x7)
=2x3+77
=6+77
=83
