Question

giai thich vi sao ba so sau deu la so chinh phuong

                   a)A bằng 11-2 b)B bằng 1111-22 c) C bằng 111111-222

 

Answer 1

`a, A = 9 = 3^3`

`b, B = 1089 = 11^2 . 3^2 = 33^2`

`c, C = 110889 = 9^2 xxx 37^2 = 333^2`

Answer 2

$a,A=9={}^{}$

$b,B=1089={}^{}.{}^{}={}^{}$

$c,C=110889={}^{}\times x{}^{}={}^{}$