3)-5*0,2=-1
-1*(-25)=25
25*4=100
4)0,5*(-20)=-10
-10*(-4)=40
40*(-8)=-320
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3)-5*0,2=-1
-1*(-25)=25
25*4=100
4)0,5*(-20)=-10
-10*(-4)=40
40*(-8)=-320
(0.5*(-20))*(-4)*(-8)=(-10)*32=(-320)