tarea del 2 trimestre

5(x-2y)=5x-10y
(x+2x)3xy=3xy+xy
(x-3)(x+5)=x+5x-3x-15=x2+2x-15
(x+7)(x-3)=x2-4x+7x-28=x2-11x2-28
(x-4)((x-3)=x2+3x-4x-12=x2-7x2-12
-4x(2x-3)=8x2+12x
tarea II

-18x3/9x=-2x2
-3x5/-2x2=-5x3
3x2-6xy-12x2/3x=1x-2xy-4x
-4x4+6x2+32x/-2x=6x3+3x+16
17x4/3x3=5.6x
12xy/628x2zy=52.3x

cuarta tarea 1-5 algebra

1)-6(5)+25x=(147/15)x=-248/43-223/105=5+25x=(147/15)x-248/43-223/105=30x=9.8x-5.7-2.1=30x=2=x=30/2=15

2)(6.4)/(7.6)+28x=13+(0.2)(2.0)=0.8+28x=13+0.4=x=28.8/13.4=2.1

3)9.6+(0.6)x=165+345=10.2x=2002=x10.2/2002=x=5.09

4)-10(-7)(-8)(9)+257896-1247-5x=951753+456=-5040+256644x=951753+456=251604x= 9517531456=x=251604/9517531456=x=2.6

5)1.6+1.3=2x=2.9=2x=2.9/2=x 1.45=x

6)(0.8)(0.3)+3x=4-3.4=0.24+3x=0.6=3.24x=0.6=x=3.24/0.6=x=5.4

7)7.6+1.7x=23x-12=9.3x=11x=11/9.3=x=1.1=x

8)12x-18+3.2=72.5-4x=-2.8x=68.5x=68.5/2.8=x=-24.4

9)((7)(1.6)/(5))=5.6+3.25x=(11.2/5)=8.85x=2.24=8.85x=2.24/8.85=x=0.25=x

10)-22-178+6.6-16x=147+15.5x=-200+6.6-16x=162.5x=-173.4-16x=162.5x=-209.4x=162.5x=
-209.4/162.5=-1.2=x

11)951357-456258+1.3x=145x-654852+123987=495099+1.3x=-654707x+123987=495100.3x
=-530720x=495100.3/-530720=-0.9=x

primer tarea 1-5 algebra t. mat 21/08/09

(2)(3)(-5)(-2)(3)(-7)(8)= (5)(-5)(3)+2+4-7-12+45-33+75=
6(-5)(-2)(3)(-7)(8)= -25(3)+2+4-7-12+45-33+75
-30(-2)(3)(-7)(8)= -75+2+4-7-12+45-33+75
60(3)(-7)(8)= -73+4-7-12+45-33+75
180(-7)(8)= -69-7-12+45-33+75
-1260(8)=-10080 -76-12+45-33+75
-88+45-33+75
-43-33+75
-76+75=-1

-134-12+13+54-65+67(2)(-3)(4) 12-44+36-76+89-55+243-74=
-134-12+13+54-65+67(2)-12 -32+36-76+89-55+243-74
-134-12+13+54-65+67-24 4-76+89-55+243-74
-146+13+54-65+67-24 -72+89-55+243-74
-133+54-65+67-24 17-55+243-74
-79-65+67-24 -38+243-74
-144+67-24 205-74=131
-77-24=-101

(2)(3)(-4)(5)(-6)(7)(-8)(9)(0)= (12/5)(6/3)+(4/9)(8/11)=72/15+32/99=7128+480/1485=
6(-4)(5)(-6)(7)(-8)(9)(0) 7608/1485
-24(5)(-6)(7)(-8)(9)(0)
-120(-6)(7)(-8)(9)(0) 14/3+15/2-6/4=28+45/6=73/6-6/4=292-36/24=256/24=
720(-6)(7)(-8)(9)(0) 128/12=64/6=32/3
5040(-8)(9)(0)
-40320(9)(0) (((12/5)(15/4)/(13/7)(16/9))(-5/))+1/2=180/20%
-362880(0)=0 208/63=2.85/0.9(-5/1)=-14.25/0.09+1/2=
-28.5/0.09
((9/8)(8/6)/(25/4))+((13/45)(45/2))-16/4=72/48%25/4=18/1.92+585/90=1620+1123.2/
172.8=2743.2/172.8-16/8=21945.6-2764.8/1382.4=19180.8/1382.4=9590.4/691.2=
4795.2/345.6=2397.6/172.8=1198.8/86.4=599.4/43.2=299.7/21.6

(33/17)(45/12)+3/5-18/7+16/9-25/5=1485/204+3/5=7425+612/1020=8037/1020-18/7=
56259-18360/7140=37899/7140+16/9=341091+114240/64260=455331/64260-25/5=
2276655-1606500/321300=670155/321300

tarea

1) (2)5+3(-6)-(2)(4)5=-48 2)((15)/3)+2(18)-6-3-4=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=45 6)(((5)(3)/3)+2-5(8)-4(-4)=53
7)((49)/7)(-6)+2-3+4(5)(-2)=13