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(已知三个球的半径,,满足,则它们的表面积,,,满足的等量关系是___________
(2009年上海卷理)已知三个球的半径,,满足,则它们的表面积,,,满足的等量关系是___________.
已知三个球的半径,,满足,则它们的表面积,,,满足的等量关系是___________.
.已知三个球的半径,,满足,则它们的体积,,满足的等量关系是_______________________.