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

Primer Tarea 1ª5 Algebra T.Mat 21/08/2009

1.="-10080"
2.="-1"
3.="1848"
4.="131"
5.="0"
6.=(12/5)(6/3)=72/15 + 32/99= 7128+408/1485="7608/1485"
7.=28+75/6=103/6 - 6/4=412-36/24=376/24=188/12=94/6="47/3"
8.=(180/20) / (208/63)=11340/5600 + 1/2=22680+5600/11200=28280/11200=1414/560="707/280"
9.=195/946 - 16/7=1365-15136/6622="-13771/6622"
10.=(72/48) / (25/4)=288/1200 + 585/90=25920+702000/108000= 727420/108000 - 16/4=2909680-1728000/432000=1181680/432000= 59084/21600=29542/10800="14771/5400"
11.=1485/204 + 3/5= 7425+612/1020=8037/1020 - 18/7=56259-18360/7140=37899/7140 + 16/9=341091+7156/64260= 348247/64260 - 25/5=1741235-1606500/321300="134735/321300"

1°" (2)5+3(-6)-(2)(4)5= _-48___
10-18-40=
-58+10=48

2°" ((15)/3)+2(18)-6-3-4=_28________
5+36-13
41-13=28

3°"(-2)(-4)(-5)(-3)(1)(7)=___840_____

4°"(2)(-5)(11)(-2)(8)(-5)=__-8800______

5°"2+3-5-6+7+18-39-65=____-85_________
30-115=-85

6°"(((5)(3))/3)+2-5(8)-4(-4)=____-17___

7°"((49)/7)(-6)+2-3+4(5)(-2)=___-49________
-42+2-3+4-10
-55+6=-49

Hola
me llamo Georgina Granados Sánchez voy en la preparatoria oficial n° 114 turno matutino salón 1-5