Respuestas

2012-08-26T15:24:53+02:00

1- -3/5-1/8+2/3+3=5-(-3/5)/5-1/8+2/3+3=8/5-1/8+2/3+3=64-5/40+2/3+3=59/ 40+2/3+3=177+840+2/3+3=177+8/120+3=185+360/120=545/120

 

 

2-3/20+5/8-3/4=40-3/20+5/8-3/4=370/20+5/8-3/4=2960+100/160-3/4=3060/160-3/4=12240-480/640=11760/640=5880/320=2940/160=1470/80=735/40

 

 

4-(3/8)(5/2)=4-15/16=64-15/16=49/16

 

 

5(-3/11):(9/22)=5(-66/99)=-330/99