kevin joseph cruz padilla1-4 respuestas
1.-12/182/5/2=224/910+2/7=1568+1820/6370=3388/6370=1694/3185=242/455
2.-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= 165/210=33/42=11/14
3.-3/9-16/4=12-144/92=-132/92+25/1=-132+2300/92=2168/92=1084/46=542/23
4.-9-48=-39-76=-115+65=50+82=32-45=-13+12=-1
5.-(-18)(3)=(-54)(-8)=(432)(7)=(324)(-6)=(-18144)(5)=(-90720)(4)=(-362880)(16)=(-5806080)(-2)=11612160
6.-11/3+22/8=88+66/24=154/24-3/4=462-72/96=390/96=195/48=65/16
7.-(429/24)/(19/16)=6864/456+22/1=6864+10032/456=16896/456-18/1=16896-8208/456=8688/456=4344/228=2172/114=1086/57=362/19
8.-(495/9)/(3/1)=495/2766/1-495/27=1782-495/27=1287/27
9.-(17/1)/(1/5)=(17/5)(-4/7)=(-68/5)(-6/1)=(408/5)(-2/7)=(-816/35)(1/6)=(-816/210)(45/6)=(-36720/1260)(-2/1)=73440/1260
10.--15+15=0-48=-48-65=-113-36=-149+52=-97+89=-8-79=-87+62=25-69=-94