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0,75*0,6=3/4*6/10=3/4*3/5=9/20
0,75*0,25=3/4*25/100=3/4*1/4=3/16
0,4*5/6=4/10*5/6=2/5*5/6=1/3
0,4*0,6=2/5*6/10=2/5*3/5=6/25
0,4*0,25=2/5*25/100=2/5*1/4=1/10=0,1
2/9*5/6=10/54=5/27
2/9*0,6=2/9*6/10=2/9*3/5=2/15
2/9*0,25=2/9*25/100=2/9*1/4=1/18
masz w załączniku uzupełnione...