在括号里填上合适的数．1.5m3= dm3 20mL= L 2600cm3= dm3．
将45%化成小数后应为 ．
1： ==25÷ = %
= = 折= （填小数）．
0.75==9÷ ．
=0.125== %
=25÷ = %
= = 折= （填小数）．
=9÷ ．
=0.125=
= %
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