a= (5+5+2-2:2)×2
a=(5+5+2-1)×2
a=11×2
a=22
b=[36-16/(25/5-12/3)] /5-4
b=[36-16/(5-4)]/5-4
b=(36-16/1)/5-4
b=20/5-4
b=4-4
b=0
c=7+3×[2-27/(5×5+2/1)]
c=7+3×[2-27/(25+2)]
c=7+3×(2-27/27)
c=7+3×(2-1)
c=7+3×1
c=7+3
c=10
2a+38+c=
2×22+38+10=
44+38+10=
82+10=
92