Respuestas

2013-04-11T05:55:40+02:00

(6/4)/(2/7)=  (6/4)*(7/2)=42/8=21/4

 

((4/5)^2)^3=(4/5)^6= (4^6)/(5^6)= 4096/15625

2013-04-11T05:56:41+02:00

6/4  /  2/7=42/8 sacas la mitad =21/4

( (4/5)*2 )*3= (4/5)*6= 4x4x4x4x4x4/5x5x5x5x5x5=4096/15625