Răspuns:
a) (1+10:1-2):3+4
=(1+10-2):3+4
=(11-2):3+4
=9:3+4
=3+4
=7
b) (1+0x2):1+10:2
=(1+0):1+10:2
=1:1+10:2
=1+5
=6
c) (15+25):8-0:9
=40:8-0:8
=5-0
=5
