Question

mở ngoặc 5 nhân 2 mũ 2 trừ 20 đóng ngoặc chia 5 cộng 3 mũ 2 chia 6

giúp với

Answer 1

\(\left(5.2^2-20\right):\left(5+3^2:6\right)\\ =\left(5.4-20\right):\left(5+9:6\right)\\ =\left(20-20\right):\left(5+\dfrac{3}{2}\right)\\ =1:\dfrac{13}{2}=\dfrac{2}{13}\)

Answer 2

(5*2^2-20):5+3^2/6

=(20-20):5+9/6

=3/2