-200 +4[20-48÷(7+16×2-27)]?
Apply BODMAS concept i.e. operations in Bracket will solve first
= -200 +4[20-48÷(7+32-27)]
=-200 +4[20-48÷(12)]?
=-200 +4[20-48÷12]?
From substaction and divide first divide operation will be executed
=-200 +4[20-4]?
=-200+64
=-136
?