`2.[(7-33:32):22+99]-100`
`= 2 . [(7 - 3) : 2^2 + 99] - 100`
`= 2 . [4 : 4 + 99] - 100`
`= 2 xx 100 - 100`
`= 100`
\(=2.\left[\left(7-3^{3-2}\right):4+99\right]-100=2.\left[\left(7-3\right):4+99\right]-100=2.\left(4:4+99\right)-100=2.100-100=200-100=100\)
\(2.\left[\left(7-3^3:3^2\right):2^2+99\right]-100\)
\(=2.\left[\left(7-27:9\right):4+99\right]-100\)
\(=2.\left[\left(7-3\right):4+99\right]-100\)
\(=2.\left[4:4+99\right]-100\)
\(=2.\left[1+99\right]-100\)
\(=2.100-100\)
\(=200-100\)
\(=100\)