球体的表面积s=4πr^2；体积v=(4/3)πr^3立方体的表面积=L^2*6;体积=L^3假设球体和立方体的体积相等(4/3)πr^3=L^3 => r=[3/(4π)]的立方根乘以L如果实际的r大于[3/(4π)]的立方根乘以L,球的体积将大于立方体的体积...