segunda tarea del 1-4

1-R=(6/14)(2/3)=12/182/5/12=144/910+2/7=1008+1820/6370=2828/6370=1414/3185

2-R=9/7+6/5=45+42/35=87/35-18/12=1044-630/420=414/420=207/210-1/5=1035-210/1050=825/1050

3-R=3/9-16/4=12-144/36=-132/36+25/1=-132+900/36=768/36=384/18=192/9

4-R=-25-16=-41-48=-89-76=-165+65=-100+82=-18-45=-63+12=-51

5-R=(2)(-9)=-18(3)=-54(-8)=432(7)=3024(-6)=-18144(5)=-22576(4)=-362880(16)=-5806080(-2)=11612160

6-R=11/3+22/8=88+66/24=154/24=77/12-3/4=308-36/48=272/48=136/24=68/12=34/6=17/3

7-R=(13/6)(33/4)=429/24/(19/16)=6864/456=3432/228=1716/114=858/57+22/1=858+114/57=972/57-18/1=972-1026/57=-54/57

8-R=17/1-13/1=17-13/1=4/1+62/1=66/1(33/3)=2178/3(15/3)=32670/9=10890/3/3/1=10890/9=1240/1

9-R=(17/1)(7/5)=85/7-4/1=85-28/7=57/7-6/1=57-42/7=15/7-2/7=105-14/49=91/49(15/3)=1365/147-2/1=1365-294/147=1071/147=357/49

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