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如果是正方體的話,就是邊長乘邊長乘邊長. 如果是長方體的話,就是底面積乘高. 如果是圓柱的話,就是底面積乘高 如果是梯形的話,兩個底面積之和乘高除2 例如:有一個長方形的游泳池.深2米長為20米,寬為10米 請問游泳池可以注入多少立方水? 2×20×10=400立方米 這個游泳池的容積就是400立方米
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