Question

Oblicz jak najprostszym sposobem :

3/8 * (-0,9)*(-16/3)*10=
5*(-0,25)*0,2*(-4)=
(-2,5)*0,2*(-10)*2=
(-6)*(-4/7)*2/5*(-7)*5/12=
(-1,1/2)*0,06*(2/3)*100=

Answer 1

3/8 * (-0,9)*(-16/3)*10=3/8*(-9/10)*(-160/3)=-27/80*(-160/3)=4320/240=432/24=18

5*(-0,25)*0,2*(-4)=-1,25*(-0,8)=1

(-2,5)*0,2*(-10)*2=-0,5*(-20)=10

(-6)*(-4/7)*2/5*(-7)*5/12=24/7*(-14/5)*5/12=-336/35*5/12=-1680/420=-168/42=-4

(-1 1/2)*0,06*(2/3)*100=(-1,5)*0,06*200/3=-9/100*200/3=-1800/300=-18/3=-6

 

licze na naj 

Answer 2

3/8 * (-0,9)*(-16/3)*10=-0,3375*(-16/3)*10=18

 

5*(-0,25)*0,2*(-4)=-1.25*0,2*(-4)=1

 

(-2,5)*0,2*(-10)=5*2=10

 

(-6)*(-4/7)*2/5*(-7)*5/12=-9.6*5/12=-4

 

(-1,1/2)*0,06*(2/3)*100=-0,033*(2/3)*100=-2.2