segunda tarea 1-4

1.- ((6/14)(2/13)/(5/2))+ 2/7 = 287/622
6/14, 2/13= 12/182 entre 5/2=60/364 + 2/7= 420+728/2548= 1148/2548= 574/1274

2.- 9/7 + 6/5 -18/12 -1/5 = 275/350
45+42/35=87/35- 18/12=1044-630/420=414/420-1/5=2070-420/2100=1650/2100, 550/700

3.- 3/9 - 16/4 +25 = 602/24
12/144+25/1=12+3600/144=3612/144=1204/48

4.- 25 - 16 - 48 - 76 + 65 + 82 - 45 + 12 = -1
9,-39,-115,-50,32,-13

5.- (2)(-9)(3)(-8)(7)(-6)(5)(4)(16)(-2) = 11612160
-18,-54,432,3024,-18144,-90720,-362880,-5806080
/
6.- 11/3 + 22/8 -3/4 = 17/3
11/3+22/8=88+66/24=154/24-3/4=616-72/96=544/96=272/48=136/24=68/12=34/6=

7.- ((13/6)(33/4)/(19/16)) + 22 -18 = 2387/387
429/24 entre8151/384+22/1=851+8448/384=9299/384-18/1=9299-6912/384

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


9.- (17)(1/5)(-4)(-6)(-2/7)(1/6)(45/6)(-2)= 1132/105
17/1, 1/5=17/5-4/1=17-20/5=3/5-6/1=3-30/5=27/5-2/7=189-10/35=
179/35, 1/6=1074+35/210=1109/210+45/6=6654+9450/1260=16104/1260-2/1=
16104-2520/1260=13584/1260=4528/420=2264/210

10.- -15 +15 -48 -65 -36 +52 +89 -79 +62 -69 =-94
-48,-113,-144,-97,-8,-87,-25