题文
算一算、填一填
42km2= m2 3600t= kg
7200dm= m 25L+7000ml= L
6305kg=6t+ kg 
+
=
1﹣
= 
﹣
+
= ．
算一算、填一填
42km2= m2 3600t= kg
7200dm= m 25L+7000ml= L
6305kg=6t+ kg +=
1﹣= ﹣+= ．
试题篮
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