SEGUNDA TAREA 1ª5 T.MAT ALGEBRA 287/08/2009

1.-X=-2=(3/5)/(16/9)=27/80(-2/1)=-54/80 + -24/1=-54+(-3840)/80=-3894/80=-1947/40 - 36/1=-1947-2880/40= -4827/40
X=2=933/80

2.-X=-3=-39-35=-74/1 + 2/7= -518+2/7=-516/7 - 15/8=-4128-105/56= -4233/56
X=3=39-35=4/1 + 2/7= 28+2/7=30/7 - 15/8=240-105/56= 135/56

3.-X=-4= -84-64=-148-18=-166+23=-143-65=-208-79=-287+180= -107
X=5= 105-80=25-18=7+23=30-65=-35+79=44-225= -181

4.-X=-6=9/8(7/14=(63/112)/(23/6)=378/2576=189/1288(-6/1)=-1134/1280= -567/640+1/5 =-2835+640/3200=-2195/3200= -439/640
X=3= 189/1280(3/1)=567/1280+1/5= 2835+1280/6400= 4115/6400

5.-X=5=(23/4)(65/6)=1495/24+2/3=4485+48/72=4533/72(5/1)= 22665/72 - 16/5= 113325-1154/360=112171/360(5/1)=560855/360=112171/72+22/1= 112171+1584/72= 113755/72
X=-7=4533/72(-7/1)=-31731/72 - 16/15=-375965-1152/1080=-377117=1080(-7/1)= 2639819/1080 + 22/1=2639819+23760/1080= 2663579/1080