计算下列长方体和正方体的体积各是多少立方米多少立方分米。(单位：米)
直接写出得数21×= ÷2= ×= ÷=÷= 12÷= 1÷= ×0=
直接写得数．20×= ÷= ×=÷6= ×12= ×=
直接写得数．×= ﹣= ×= ×=÷= ÷= ÷= ÷=
直接写得数÷= ×= ﹣= ×1.4=12×= 24×= += 0÷=
直接写得数= = 3÷= == = = == =
= 
÷2= 
×
= 
÷
=
÷
= 12÷
= 1÷
= 
×0=
= 
÷
= 
×
=
÷6= 
=
×
﹣
= 
×
= 
×
=
÷
= 
÷
= 
÷
= 
÷
=
÷
= 
×
= 
﹣
= 
×1.4=
= 24×
= 
+
= 0÷
=
= 
= 3÷
= 
=
= 
= 
= 
=
= 
=
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