TAREA 1

1.-+7 +12 +6 -2 -6 1 -3 = +7

2.--2 -8 -6 -15 -23 -21 -18 -12 -20 -32 +11 = +78

3.--24 -36 -108 +216 +216 =648

4.--6 -6 +24 +120 +720 -5040 =+40320

5.-+1 -5 +2 -6 +3 -9 +15 -18 -36 +99 +396 =+1980

6.-83/4 5/9)=15/36=5/12

7.-86/2 - 14/49 =84/8=42/4

8.-( 3/5 12/3) 36/15(4/7 ) (6/11) 24/44 36/15 - 24/44=12/29

9.-(4/3) (6/2) 24/6 4/4 +2/5 6/9 24/6 /6/9 54/216+3/4 57/20 -16/7=41/13

10.-(18/15)(9/2)162/30+25/3 187/33- 15/4 181/29 -3/15=178/14

11.-(14/3)/(23/11) 154/69+9/6 163/75 *5/4=815/300

12.-(5/25)(16/2)80/50 /(25/7)(13/6)325/42 80/50/325/42=56/59