a. x^2=16

 x^2=4^2

x=4

b.4x^3=4

x^3=1

x=1

A. 3^n=3^4

        n=4

b.5^n=125

   5^n=5^3

      n=3

ho ten lop : Nguyen Thi Hong lop 9a

link hoc 24 /vip/nguyenthihong2004

link fb:Chi Ca or Khoang Lang

Music makes the people sadness, relief sorrow and bring joy to people

music properly help increase language skills, creativity, reduce stress, improve thinking ability

day

1

bn mua mau o dau ma dep z

R= 1^2+....+50^2

R=( 1+2+3+...+50)^2

R=\(\left[50.\left(50+1\right)\right]^2\):2

R= (2550:2)^2

R=1275^2

R=1

bài để éo ơ mà còn hỏi