primer tarea 1-5

Respuestas:

1.(6)(-5)=(-30)(-2)=(60)(3)=(180)(-7)=(-1260)(8)=-10080
2.(-25)(3)=-75+2-73+4=-69-7=-76-12=-88+45=-43-33=-76+75=-1
3.-134-12=-146+13=-133+54=-79-65=144+67=77(2)=154(3)=462(4)=1848
4.12-44=-32+36=4-76=-72+89=17-55=-38+243=205-74=131
5.(6)(-4)=(-24)(5)=(120)(-6)=(720)(7)=(5040)(-8)=(-40320)(9)=(-362880)(0)=0
6.72/15+32/99=7128+480/1485=7608/1485=2536/495
7.28+45/6=73/6-6/4=292-36-24=256/24=128/12=32/3
10.(72/48 :25/4=288/1200)+(585/90)=25920+702000/10800=727920/108000-16/4=2911680-1728000/432000=1183680/432000
11.1485/204+3/5=7425+612/1020=8037/1020-18/7=56259-18360/7140=73899/7140+16/9=341091+114240/64260=455331/64260-25/5=227655-1606500/3213000=670155/3213000