8.(2013梅州，36)Myuncleisrepairingsomeoldbikesthesedays.Heplanstotocharity.A.givethemawayB.givethemupC.takethemawayD.pickthemup
8.( 2013 梅州，36) My uncle is repairing some old bikes these days.He plans to to charity.
A. give them away B. give them up
C. take them away D.pick them up
设A为三阶矩阵，α1，α2，α3是线性无关的三维列向量，且满足Aα1=α1+α2+α3，Aα2=2 2020-04-13 …
(-Y^2)^3÷Y^6算术题求解,谢谢整式的除法要有过程.谢谢.(-Y^2)^3÷Y^6(-20 2020-05-13 …
几道关于指数函数的题目!刚刚做卷子一些不会做的题目 ,基础不行我...已知a(1/2)+a(-1/ 2020-05-16 …
初学行列式,请帮我证明两道题,|ax+byay+bzza+bx||xyz|1、证明：|ay+bza 2020-06-11 …
把下列各式分解因式:(x+y)^2-(x+y)^3要写过程哦1:(x+y)^2-(x+y)^3=2 2020-06-27 …
计算(-a^2)^3*(-a^3)^2=?...(-1/4)^5*(1/4)^3*(-1/4)^2 2020-07-09 …
一题数学题：设A为三阶矩阵,α1,α2,α3是线性无关的三维列设A为三阶矩阵,α1,α2,α3是线 2020-07-14 …
已知S=2/(1*3)+2^2/(3*5)+2^3/（5*7）+……+2^49/（97*99），T 2020-07-20 …
a^3+a^3=(-a^2)^3=(-a^3)^2=(-x)^2×(-x)^5×(-x^4)=已知x 2020-11-01 …
当a＞1时,取a=2,则2＞1/2,取a=3/2,则3/2＞2/3……所以,a＞1/a.当0＜a＜1 2020-11-28 …