The second volume of the fifth grade mathematics supporting exercise book, all answers.
The volume of the barrel should be measured from the inside. Judging from the meaning of the problem, the thickness of the barrel is 1 cm, so the inner side length should be 10 decimeter minus 1cm times 2, which is 98 cm, and the side length of the inner cube is 98 * 98 * 98 = 94 16548.