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, 10- 3- 3- , 2- , :,1 , :,2 ,3 ( 1cm3 . ),6cm3,12cm3, , ,它的意思是从书本上学来的总是感觉浅显,要想真正的掌握它,那还是要亲自去对比着做做看,才能真正领会其中的奥秘。,纸上得来终觉浅,绝知此事要躬行。陆游 (宋),4,3,1,12,12,3, , . , ., ,4,3,1,4,3,1,12,12,3,4,2,2,16,16, , ., ,4,3,1,4,2,2,4,3,1,12,12,3,4,2,2,16,16,4,3,2,24,24, !,4,2,2,4,3,1,4,3,2,4,3,1,12,12,3,4,2,2,16,16,4,3,2,24,24,3,3,2,18,18, : 1 ,3 , ,4 .,4,2,2,4,3,1,4,3,2,3,3,2, b h V , : =,V=bh,1- :, 7 4 3 ,V=bh,=743,=84( ),: 84 ., ( ) . ( ) ., , , =, , V ,V=,V=3,: ,2- :, 6 ,V=3,=63,=666,: 216 .,=216立方分米, ., ,