2020 - [ 45 - ( 6 - 1)2] + 19920
= 2022 - [ 45 - 52 ] + 19920
= 2022 - [ 45 - 25 ] + 1992
= 2022 - 20 + 1992
= 2002 + 1992
= 3994
= 2020 - [ 45 - ( 6 - 1)2 ] + 1 = 2020 - [ 45 - 52 ] +1 = 2020 - [ 45 - 25 ] + 1 =2020 - 20 + 1 = 2000 + 1 = 2001
\(= 2022 - [ 45 - 5^2 ] + 1992\)
\(= 2022 - [ 45 - 25 ] + 1992\)
\(= 2022 - 20 + 1992\)
\(= 2002 + 1992\)
\(= 3994\)
2020-[45-(6-1)^2]+1992^0
=2020-[45-5^2]+1
=2020-[45-25]+1
=2020-20+1
=2000+1
=2001
