Anumberofexpertstodaythatthenumberofacupuncturepointsthesameasthenumberofdaysinayear.()A.claims;areB.claim;isC.claims;isD.claim;are
A number of experts ________ today that the number of acupuncture points ________ the same as the number of days in a year.( )
A. claims; are
B. claim; is
C. claims; is
D. claim; are
设a=(√5-1)/2,求(a^5+a^4-2a^3-a^2-a+2)/a^3-a∵2a=√5-1 2020-04-05 …
选出每组单词中划括号部分读音不同的一项.1.A:t(o)day.B:t(o)morrow.C:st 2020-04-26 …
可以参考的公式是:s[1]=a[1];s[n]=s[n-1]>=0?s[n-1]+a[n]:a[n 2020-05-14 …
为什么"如果a>b>0,t>0,设M=a/b,N=a+t/b+t,那么M>N" 2020-06-08 …
T(n)=2T(n-1)+n,n>0;T(0)=0.求T(n)谢谢了,大神帮忙啊T(n)=2T(n 2020-06-08 …
1.设mΧn矩阵A的秩为R(A)=n-1,切x1,x2是齐次方程AX=0的两个不同的解,则AX=0 2020-07-12 …
已知T(n)=n,T(n)=a(1)*a(2)*.a(n),求a(n) 2020-07-26 …
一、已知数集M满足条件:若a∈M,则(1+a)/(1-a)∈M(a≠0,a≠±1)(1)若3∈M, 2020-07-30 …
分解因式谁能给我讲解下!a^n+b^n=(a+b)([a^{n-1}]-[a^{n-2}]*b+[a 2020-11-20 …
函数f[x]=logaXa大于0,且a不等于1,在2,3上最大值为1,则a=当a大于1时,f(x)图 2021-01-15 …