a)[tex]8237ml-21,43cl+0,25dal+123,43l= \\ 8237*0,001l-21,43*0,01l+0,25*10l+123,43l= \\ 8,237l-0,2143+2,5l+123,43l= \\ 133,9527l[/tex]
b)[tex]7,25hl+234,7dl+42,3dal= \\ 7,25*100l+234,7*0,1l+42,3*10l= \\ 725l+23,47l+423l= \\ 1171,47l[/tex]
c)[tex]2,89dal+23,24hl+1235dl= \\ 2,89*10l+23,24*100l+1235*0,1l= \\ 28,9l+2324l+123,5l= \\ 2476,4l[/tex]
