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共找到 872337 与=-tanα请问在π/2上 相关的结果,耗时298 ms
When things aren’t going well, my parents always ---------(鼓励)me, telling me not to g
When things aren’t going well, my parents always ---------(鼓励)me, telling me not to give up.
已知,一个可逆反应,若正反应为自发过程,则其逆反应为非自发过程,反之,亦然。(1)已知2CO(g)CO2(g)+C(s),T=980K时ΔH-TΔS=0。当体系温度低于980K时,估计ΔH-T
化学
于”、“小于”或“等于”,下
已知平面向量a=(√3,-1)b=(1/2,√3/2)若存在不同时为零的实数k和t,使向量x=向量a+(t²-3)向量b,向量y=-k向量a+t向量b且向量x垂直向量y
数学
----You are confident about the job interview, aren’t you?---- , I’m well prepared and
----You are confident about the job interview, aren’t you?---- , I’m well prepared and feel I’ve got everything they need.A. Sure, I am B. It’s hard
He tried to--------(解释),but she wouldn’t listen.
He tried to--------(解释),but she wouldn’t listen.
What dose the woman buy in the end?A. A yellow T-shirt.B. A bule T-shirt.C. A pink T
What dose the woman buy in the end?A. A yellow T-shirt.B. A bule T-shirt.C. A pink T-shirt.
Down综合征最常见的核型是A.45,XOB.46,XX(XY),-14,+t(14q21q)C.45,XX(XY),-14,-21,+t(14q21q)D.4
Down综合征最常见的核型是A.45,XOB.46,XX(XY),-14,+t(14q21q)C.45,XX(XY),-14,-21,+t(14q21q)D.47,XX(XY),+21E.45,XO/46,XX
s-t的m次方乘以s-t的m+n次方,再乘以t-s,是多少
数学
-∫1/√(1+t^2)dt=-ln|t+√(1+t^2)|+C这是答案~==主要是想知道过程~
数学
19.我们规定[t]为不超过t的最大整数,如[13.7]=13,[-3.5]=-4,对实数x,令f1(x)=[4x],g(x)=4x-[4x]进一步令f2(x)=f1[g(x)](1)若x=7/16,分别求f1(x)和f2(x)(2)若f1(x)=1,f2(x)=3同
数学
分别求f1 (x) 和f2
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