Question

3.3²+5⁶:5⁴-2021⁰

320:{ 180-[36-(2³.16-2².12] } 

Answer 1

a: \(=27+5^2-1=27+25-1=52-1=51\)

b: \(=320:\left\{180-36+8\cdot16+4\cdot12\right\}=320:320=1\)