lanyu1012 幼苗
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1年前
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(2013•营口二模)如图所示的阴影部分由方格之上3个小方格组成,我们称这样的图案为L形(每次旋转90°仍为L形的图案)
作文题目:《我终于战胜了胆怯》
如图,已知∠ABC=∠ACB,BD平分∠ABC,CE平分∠ACB,∠DBF=∠F,那么EC与DF有什么位置关系?试说明你
一个关于船的哲学问题假如,有一艘船A,每三天换一样不同的零件,在一年后整部船的零件都换了一遍,那么,我们还可以称这部船为
(2014•福建模拟)已知全集U=R,集合A={1,2,3,4,5},B={x∈R|x≥2},如图中阴影部分所表示的集合
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某车间要加工一批零件,原计划每天加工600个,12天完成;实际每天多加工零件120个.实际加工几天完成?
大街上,一位腿部残疾的路人正一瘸一拐地走着。小宇觉得十分可笑,便在后面嬉皮笑脸地模仿这位残疾人走路的动作,结果受到了众人的指责。这说明( )
After John had been in London for three years, he and his wife had a lot to tell ________.
Gina was a 3rd grader. She was very clever, but she had no friends at school until Rita joined her class.
求证一列高数数列极限题:lim(3n^2+n)/(2n^2-1)=3/2