题文
算一算、填一填
560m= dm 80000cm2= dm2
20t= g 42L﹣30000mL= mL
7263g=7kg+ g 
+
=
1﹣
+
= 
﹣
﹣
= ．
算一算、填一填
560m= dm 80000cm2= dm2
20t= g 42L﹣30000mL= mL
7263g=7kg+ g +=
1﹣+= ﹣﹣= ．
试题篮
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