Oblicz w pamięci:
a) 1000*(1/4:0,25)*(1/2:0,5)*(1/5:0,2)*0,001=?
b) 1/2*(0,1+0,1)+1/3*(0,1+0,2)+1/4*(0,2+0,2)=?
a) 1000*(1/4:0,25)*(1/2:0,5)*(1/5:0,2)*0,001=1000*1*1*1*0,001=1
b) 1/2*(0,2)+1/3*(0,3)+1/4*(0,4)=0,1+0,1+0,1=0,3
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a) 1000*(1/4:0,25)*(1/2:0,5)*(1/5:0,2)*0,001=1000*1*1*1*0,001=1
b) 1/2*(0,2)+1/3*(0,3)+1/4*(0,4)=0,1+0,1+0,1=0,3