114 說a mass of cube with edge 7 meters weigh how much? 1,the mass with edge 5 meters is XXXX kilograms 2.the mass with a rectangle 8 meters is XXXX kilograms(我也看不大懂,到底這rectangle是從cube哪裡來的呢?) V2一個Cube的Edge為10,問其Mass 1,Edge為5的Cube的Mass為某數 2,告知一長方體的長及其Mass Q1這題完全看不懂題目 MASS是什麼??