Brazil,countryinSouthAmerica,willhold31thOlympicGamesintheAugust,2016.()A.a;aB.a;theC.the;aD.the;the
Brazil,______country in South America,will hold_____31th Olympic Games in the August,2016.( )
A. a; a
B. a; the
C. the; a
D. the; the
解分式方程:1/X-2+1/X-6=1/X-7+1/X-11/X-2+1/X-6=1/X-7+1/ 2020-05-16 …
5.5×5分之4+3.6÷1.2-6又2分之1×0.6=?(2又6分之5-1又4分之1+3又9分之 2020-06-06 …
某市对50户居民的家庭存款额进行了调查,数据如下(单位:万元)如下1.6,3.5,2.3,6.5, 2020-06-07 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
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设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{ 2020-08-01 …
1/x(x+3)+1/[(x+3)(x+6)]+1/[(x+6)(x+9)]=1/3*(1/x-1/ 2020-10-31 …
关于复数的题,以下哪个答案是对的?已知z1=1-3i,z2=6-8i,若1/z+1/z1=1/z2, 2020-10-31 …
求助1/2*4+1/4*6+1/6*8+…+1/2010*2012=1/2(1/2-1/4+1/4- 2020-11-07 …
设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{4 2020-12-07 …