TAREA 2

1.-((6/14)(2/13)/(5/2))+2/3=

(6/14)(2/13)=12/82

(12/82)/(5/2)=24/13013000

24/13013000+2/3=72+26026000/39039000=26026072/39039000


2.-9/17+6/5-18/12-1/5=

9/7+6/5=40+42/35=82/55

82/55-18/12=984-990/660=630/3300

105/550


3.-3/9-16/4+5

3/9-16/4=12-144/36=-156/36

156/36+25/1=1056/30=76/5


4.-25-16-48-76+65+82-45+12=

25-16=9

9-48=-39

-39-76=-115

-115+6=-50

-50+82=32

32-45=-13

-13+12=1


5.-(2)(-9)(-8)(7)(-6)(5)(4)(16)(-2)

-16

+128

-896

+5376

+26880

+107520

1720320

-3440640


6.-11/3+22/8-3/4=

11/3+22/18=198-162/54=264/4

264/54-3/4=1056-162/216=894/216=146/36


7.-((13/6)(33/4)/(19/16)+22-18=

(13/6)(34/4)=442/24

442/22/19/16=7072/418

7072/418+22/1=7072+9196/418=16268/418

16268/418-18/1=16268-7524/418=-23792-418


8.-17-13+62-((33/3)(15/3)/3)=

(33/3)(15/3)=495/9

495/9/3/1=495/27

495/27+17/1=495+459/27=954/27

954/27-13/1=954-351/27=-1310/27+62/1=-1316+1674/27=1364/27


9.-(17)(1/5)(-4)(-6)(-2/7)(1/6)(45/6)(-2)=

(17/1)(1/5)=17/5

(17/59(-4/1)=-68/5

(68-/5)(-6/1)=408/5

(408/5)(-2/7)=-816/35

(-816/35)(1/6)=-816/210

(-816/210)(45/10)=-36720/3360

(-36720/3360)(-2/1)=77440/3360

9680/420

10.--15+15-48-65-36+52+89-79+62-69=

-15+15=0

0-48=-48

-48-65=-113

-113-36=-149

-149+52=-97

97+89=-8

-8-79=-80

-80+62=-18

-18--69=87