一个圆柱的体积是75.36m3,与它等底等高的圆锥的体积是______m3;一个圆锥的体积是141.3cm3,与它等底等高的圆柱的体积是______cm3.
75.36×
=25.12(立方米);1 3
141.3÷
=141.3×3=423.9(立方厘米);1 3
答:与圆柱等底等高的圆锥的体积是25.12立方米;与圆锥等底等高的圆柱的体积是423.9立方厘米.
故答案为:25.12,423.9.
一个圆柱的体积是75.36m3,与它等底等高的圆锥的体积是______m3;一个圆锥的体积是141.3cm3,与它等底等高的圆柱的体积是______cm3.
75.36×
=25.12(立方米);1 3
141.3÷
=141.3×3=423.9(立方厘米);1 3
答:与圆柱等底等高的圆锥的体积是25.12立方米;与圆锥等底等高的圆柱的体积是423.9立方厘米.
故答案为:25.12,423.9.