Question

7 mũ 5 chia 7 mũ 3 trừ 2021 mũ 0 

Answer 1

\(7^5:7^3-2021^0\\=7^2-1\\=49-1\\=48\)

#\(Toru\)

Answer 2

48

Answer 3

7^{5 :} 7³ - 2021⁰

= 7^{5 - 3} - 2021⁰

= 7² - 2021⁰

= 49 - 1

= 48