Răspuns:
e)44+8×[280:(37-1480:20:37)]:32-7=
44+8×[280:(37-74:37)]:32-7=
44+8×[280:(37-2)]:32-7=
44+8×(280:35):32-7=
44+8×8:32-7=
44+64:32-7=
44+2-7=
46-7=39
f)(18×8+56):[50×40:(220-2×60)]=
(144+56):[50×40:(220-120)]=
200:(50×40:100)=
200:(2000:100)=
200:20=10