import math def sphere_surface_area(radius): """计算球的表面积""" return 4 * math.pi * radius**2 # 给定的半径列表 radii = [1, 2, 4, 9, 10, 13] # 遍历半径列表,计算并输出对应球的表面积 for radius in radii: surface_area = sphere_surface_area(radius) print(f"{surface_area:.2f}"...