☺** segunda tarea 1-4♣**

1.- ((6/14)(2/13)/(5/2))+ 2/7 =
(12/182)/(5/2)=24/910+2/7=168+1820/6370)=1988/6370=994/3185=
Resultado=142/455


2.- 9/7 + 6/5 -18/12 -1/5 =
-9/7+6/5=-45+112=-3/35-18/12=-36-630/420-1/5=
-3330-420/2100= -3750/2100=1875/1050=625/350=125/70= Resultado=25/14



3.- 3/9 - 16/4 +25 =
-12-144/36=156/36+25/14=-2184+900/504=-1284/504=-642/252=321/126
Resultado=107/42


4.- 25-16-48-76+65+82-45+12 =
-41-48
-89-76
-65+65
-100+82
-18-45
-63+12 Resultado=-51


5.- (2)(-9)(3)(-8)(7)(-6)(5)(4)(16)(-2) =
-18(3)
-54(-8)
432(7)
3024(-6)
-18144(5)
-90720(4)
-362880(16)
-5806080(-2) Resultado=11612160


6.- 11/3 + 22/8 -3/4 =
88+66/24=154/24-3/4=616-72/96=544/96=272/48=136/24=68/12=34/6
Resultado=17/3


7.- ((13/6)(33/4)/(19/16)) + 22 -18 =
(429/24)/(19/16)=
6864/456+22/1=6864+10032/456=
16896/456=8448/228=4224/114=2112/57 Resultado=704/19

8.- 17 - 13 +62 -((33/3)(15/3)/3) =
(495/9)/(3/1)=495/27-62/1=495-1674/27=-1179/27+13/1=1179+351/27=828/27-17/1=
-828-459/27=-1287/27=429/9= Resultado=143/3



9.- (17)(1/5)(-4)(-6)(-2/7)(1/6)(45/6)(-2)=
(17/5)(-4/1)=-68/5(-6/1)=408/5(2/7)=816/35(1/6)816/210(45/0)36720/1260(-2/1) -73440/1260=-36720/630=-18360/315=-6120/105= Resultado=2040/35




10.-15+15-48-65-36+52+89-79+62-69=
0 -48
-48 -65
-113 -36
-149+52
-97+89
-8-79
-87+62 -25-69=
Resultado=-94