Câu 5. Thực hiện phép tính. a) 23.22-36:32 +9.2022⁰ c) 3.32-56:54+ (2021-2020) 200 e) 124.75 +124.25 + 124 g) 45.57 + 45.43-500 i) 2¹.5-[131-(13-4)³] 150 liguyen to, so não la hop so. 11,12,17; 23,110,33,63,31. b) 18.44+18.68 - 18.12 d) 240-2.(4.5²-72:2') f) 214-2.(4.5¹-6:3²) h) 2020-[45-(6-1)2]+1992° k) 480: [75+(72-8.3):5]+2021°