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設正方形的棱長為a,∵球的內接正方體的表面積為24,即6a2=24,∴a=2,所以正方體的棱長是:2正方體的對角線2 3,所以球的半徑R是3所以球的體積:4π3R3=4π3(3)3=43π,故答案為:43π.
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