c)[214+240:(16-10)]×25-1=
(214+240:6)×25-1=
(214+40)×25-1=
254×25-1=
6350-1=
6349
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):[2000:(220-120)]=
200:(2000:100)=
200:20=
10
