Bài sửa liên tục .-.

`d` , $(2,5)^{2}$ `=` `25/4`

`c` , $27^{3}$ : $9^{3}$ `=` $(27:9)^{3}$ `=` $3^{3}$ `=` `27`

`g` , $32^{4}$ : $4^{3}$

`=` ( $2^{5}$ ) $^{4}$ : ( $2^{2}$ ) $^{3}$

`=` $2^{20}$ :  $2^{6}$

`=` $2^{20-6}$ `=` $2^{14}$ 

`k` , $3^{4}$ . $9^{3}$ . $27^{2}$

`=` $3^{4}$ . ( $3^{2}$ ) $^{3}$ . ( $3^{3}$ ) $^{2}$ 

`=` $3^{4}$ . $3^{6}$ . $3^{6}$ 

`=` $3^{4+6+6}$ 

`=` $3^{16}$ 

`h` , $2^{5}$ . $2^{12}$ . $2^{17}$ 

`=` $2^{5+12+17}$ `=` $2^{34}$ 

`m` , $0,25^{3}$ . `32`

`=` `1/64` . `32` `=` `1/2`

`n` , $(\frac{-7}{2} ) ^{0}$ `-` $(\frac{5}{2})^{2}$ : `5` `+` $(-2)^{2}$ 

`=` `1` `-` `25/4` : `5` `+` `4`

`=` `1` `-` `5/4` `+` `4`

`=` `-1/4` `+` `4`

`=` `15/4`