请按要求填表.
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| (1)18:24 =(18÷6):(24÷6) =3:4 18:24 =18÷24 =
(2)4.5:1.2 =(4.5÷0.3):(1.2÷0.3) =15:4 4.5:1.2 =4.5÷1.2 =
(3)
=(
=6:4 =(6÷2):(4÷2) =3:2
=
=
=
(4)30克:0.25吨 =30克:250000克 =3:25000 30克:0.25吨 =30克:250000克 =30÷250000 =
故答案为:
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a.25:125