SEGUNDA TAREA 1-4

1-((6/14)(2/13)/(5/2))+2/7= 6/9 / 5/2= 3/15 + 2/7= 21+30/105= 17/35

2- 9/7 + 6/5 - 18/12 - 1/5= 45 + 42/35= 28/7 - 18/12= 336 - 126/84= 105/42 + 1/5= 35/7

3- 3/9 - 16/4 + 25= 12 - 144/36= -66/18 - 25/1= 66 - 450/18= 48/1

4- -21 - 16 - 48 - 76 + 76 + 65 + 82 - 45 + 12= -5 + 43 - 33 - 98 -180 + -135 - 147= -555

5- (2)(-9)(3)(-8)(7)(-6)(5)(4)(16)(-2)=11612160

6- 11/3 + 22/8 - 3/4= 88 + 66/24=11/6 - 3/4= 44 - 18/24= 13/12

7- ((13/6)(33/4) / (19/16)) + 22 - 18 = 429/24 / 19/16= 143/19 + 22/1= 143 418/19= 561/19
- 18/1= 561 - 342/19= 219 / 19

8- (17)(1/5)(-4)(6)(-2/7)(1/6)(45/6)(-2)= -17 - 13 + 62 -11/5 / (3/1) - 11/15 - 17/1 - 13/1
62/1 - 11/5 / 11/15= 17/13 + 62/1= 17/806 - 11/5
= 85 -8866/4030= -8781/4030


9-(17)(1/5)(-4)(6)(-2/7)(1/6)(45/6)(-2)=-2/35 x 1/6= -2/210 x 45/6 =-15/315

10--15+15-48-65-36+52+89-79+62-69=-1