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共找到 1893 与=_______ 相关的结果，耗时0 ms
如果（a+1）/20=（b+1）/21=（a+b）/17,那么a/b
=_______
数学
化简二次根式：根号下(a^2-b^2)(a^4-b^4)
=_______
.(b＜a＜0)
数学
用列举法表示集合A={x|x∈Z,8/6-x ∈N}
=_______
注意噢 x∈Z..是指正负整数都行是吧?.答案是{6,5,4,2,-2} .求证下.
数学
enjoy oneself与have good time与have fun与have time的区别I think we can _______ there A have fun B enjoy oneself C have good time D have time
英语
a great many,a great deal,a great amount of,a large part of的区别It is reported that _______ schools are improving their IT environment.A
英语
a great many B
9.下图为某生物体细胞有丝分裂某个时期的示意图,请据图回答.（ 1 ）该图表示的是________细胞进行有丝分裂的_______期,判断的依据是该细胞由____ __发出_______ 形成纺锤体,而且_____ ___排列在赤
生物
___条,1 和 2 是__
问几道英语选择题写出解析答案已给出1.I"d like to make C appointment with Miss Liu this Friday.I"m afraid she is not _______ on Friday.A./；interested B.t
英语
e；excellent C.
1.He became a d_________,he lost his hearing.2.These are telephone numbers ____________(记下来)3.How do we _______(在生活中成功)4.I think you m
英语
de a mistake i
在正方体ABCD-A"B"C"D"中,直线AC1与平面BB1C1C所成角的余弦值是_______~
数学
整式运算法则整式乘法法则：单项式与单项式相乘,把它们的_______分别相乘,对于只在一个单项式里含有的________,则连同它的______作为积的________；单项式与多项式相乘,就是用_______去乘_______,
数学
式与多项式相乘,先用____
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