tarea 2

1;(2)(3)(-5)(-2)(3)(-7)(8)=-10080
6=-30=60=180=-1200=-10080

2;(5)(-5)(3)+2+4+4-7-12+45-33+75=36
-25=-75=-73=-69=-65=-72=-84=-39-=-72=36

3;-134-12+13+54-65+67(2)(-3)(4)=1848
-146=-133=-79=-144=-77=-154=462=1848

4;12-44+36-76+89-55+243-74==131
-32=4=-72=17=-38=205=131

5;(2)(3)(-4)(5)(-6)(7)(-8)(9)(0)=0
6=-24=-120=720=5040=-40320=-362880=0

6;(12/5)(6/3)+(4/9)(8/11)=651/1485
72/15+32/99=171+480/1485=651/1485