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- 1he also put up some signs asking for old bikes and
- 2Mr Renfan:good night!fall in love with you ,my darling,you're so beautiful,my wife,hope you hav
- 3p为椭圆x^2/25+y^2/16=1上一点,左右焦点为F1,F2,若pF1中点为M,求证MO=5-1/2pF1
- 4The moment I love you is always eternal. 什么意思?
- 5_____my teacher,after all 10 years.was my unforgettable moment,_________i will always treature.
- 6已知双曲线的离心率=2,且与椭圆x^2/25+y^2/9=1有相同的焦点,求次双曲线方程
- 7有一海宝雕塑质量为5.0×10三次方kg,密度为2.5×10三次方kg/m立方米,与水平地面的接触面积为1m平方米,
- 8有两缸金鱼,从甲缸取出2尾放入乙缸,这时两缸金鱼的尾数相得;从乙缸取出2尾放入甲缸,这时乙缸金鱼的尾数是甲缸的1/2.问:从乙缸取出2尾放入甲缸后,甲缸金鱼有多少尾?
- 9人体中神经细胞的作用
- 10世上并不缺少美,而是缺少发现美的眼睛这句话给你的启发是什么