tarea 1

RESPUESTAS

1. (2)(3)(-5)(-2)(3)(-7)(8)=-10080

2. (5)(-5)(3)+2+4-7-12+45-33+75=-3

  -75+2-15+10+75=-3

3. -134-12+13+54-65+67(2)(-3)(4)=-1752

   -146+13-11-1608=-1752

4. 12-44+36-76+89-55+243-74=131

    -32-40+34+169=131

5. (2)(3)(-4)(5)(-6)(7)(-8)(9)(0)=0

6. (12/5)(6/3) +(4/9)(8/11)=7608/1485

    72/15+32/99=

   7128+480/1485=7608/1485

7. 14/3 + 15/2 - 6/4 =32/3

  14/3+48/8=256/24=

   128/12=64/6=32/3

8. (((12/5)(15/4)/(13/7)(16/9))(-5)) + 1/2 =22680/42860

    (180/20) / (1040/63)+1/2=

   (180/20) / (2143/126)=22680/42860

9. (13/22)/(43/15) - 16/7 =1365/1342

    (13/22)/(61/105)=1365/1342

10. ((9/8)(8/6)/(25/4)) + ((13/45)(45/2)) - 16/4 =103680/1080000

    (72/48)/(25/4)+(585/90)-16/4=

   288/1200 + 900/360=103680/1080000

11. (33/17)(45/12) + 3/5 - 18/7 + 16/9 - 25/5 =4007595/321300

      1485/204 +69/35 +145/45=

      66051/7140 + 145/45=4007595/321300