问题
填空题
一个圆柱和一个圆锥的底面积相等，圆柱高是圆锥的2倍，圆锥体积与圆柱体积的比是______．
答案
等底等高的圆锥和圆柱体积的比是1：3，如果圆柱高是圆锥的2倍，
则圆锥的体积和圆柱体积的比是1：6；
故答案我：1：6．
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一个圆柱和一个圆锥的底面积相等，圆柱高是圆锥的2倍，圆锥体积与圆柱体积的比是______．
等底等高的圆锥和圆柱体积的比是1：3，如果圆柱高是圆锥的2倍，
则圆锥的体积和圆柱体积的比是1：6；
故答案我：1：6．
| 阅读短文，判断正(T)误(F)。 | |
mother is a teacher. She likes to watch TV and read books. I am a student. I am a boy. I like to play on the computer. I am shorter than my father and my mother. We like to eat noodles. We like to go for a walk after supper. We are a happy family. ( ) 1. My father is a police officer. ( ) 2. My father likes to play football and checkers. ( ) 3. I like to play on the computer. ( ) 4. My mother is a doctor. ( ) 5. We like to eat noodles. |