3ra tarea

1.X=-2=-4746/80 X=2=-906/80
(3/5)/(16/9)(-2)+12(-2)-36 (27/80)(-2/1)=-54/80-24-36 (-54/80)-(60/1)=54-4800/80=-4746/80 (3/5)/(16/9)(2)+12(2)-36 (27/80)(2/1)+24-36 (54/80)-(12/1)=54-960/80=-906/80

2.X=-3=4243/56 X=3=125/56
(13)(-3)-35+2/7-15/8 -39-35+2/7-15/8 -74+2/7-15/8 =16-115/56=-99/56 +-74/1=-4144+-99/56=4243/56 13(3)-35+2/7-15/8 39-35 4/1+-99/56=224+-99/56=125/56

3.X=-4=179 X=5=-181
21(-4)-16(-4)-18+23-56+79-45(-4) -84+64-18+23-65+79+180 -167+346=179
21(5)-16(5)-18+23-65+79-45(5) 105-80-18+23-65+79-225 -388+207=-181

4.X=-6=217924/12880 X=3=-231322/12880
(9/8)(7/14)=63/112/23/6=378/2576 (378/2576)(-6/1)+(1/5)-6/1-19 -2268/2576+-6/5-19/1 -2268/2576+-6/5=-11340+-15456/12880=-26796/12880-19/1=-26796--244720/12880=217924/12880
(9/8)(7/14)=63/112 (63/112)/(23/6)=378/2576 (378/2576)(3/1)=1134/2576+(1/5)3/1-19
1134/2576+3/5=5670+7728/12880=13398/12880 13398/12880-19/1=13398-244720/12880=-231322/12880

5.X=5=25785/360 X=-7=8121/360
(23/4)(65/6)=1495/24+(2/3)5/5-(16/5)(5/1)+22 1495/24+10/3-80/5+22 1495/24+10/3=4485+240/72=4725/72-80/5=23625-5760/360=17865/360+22/1=17865+7920/360=25785/360
(23/4)(65/6)=1495/24+(2/3)(-7/1)-(16/5)(-7/1)+22 1495/24+(-14/3)+(112/5)+(22/1) 1495/24+-14/3=-4485+-336/72=-4821/72 +112/5=-24105+8064/360=-16041/360+22/1=-16041+7920/360=8121/360