()9.[2015•宜宾改编]Thereareenoughcupsforeachvisitortohave.A.oneB.itC.this
( ) 9. [2015 •宜宾改编]There are enough cups for each visitor to have ____ .
A. one B. it
C. this
用matlab求解超越方程我的方程是-0.17*cos(5.6*sqrt(a))*cos(0.47 2020-05-16 …
棉花每公斤的价格在第二季上升了10%,在第三季度下降了(a-5)%(a＞5)后,仍不低于原价,则a 2020-05-16 …
数学初二提问2次根式、选择,1.下列计算正确的是（）A.2√5*3√5=6√5B.2√5*3√5= 2020-05-23 …
1.已知5^a=5,5^b=5^-1,试求27^a/3^3b2.已知(2a-a)(3-a)=5,求 2020-06-02 …
高一数学已知a^0.5-a^(-0.5)=1(a＞0）求a+a^(-1)与a^1.5+a^-1.5 2020-06-03 …
a(b-c)^5+b(c-a)^5+c(a-b)^5分解为（a-b）（b-c）（c-a）L（aa( 2020-07-09 …
—Doyouknowthe3Gmobilephonewillcomeontothemarketso 2020-07-12 …
Yourcartoonbooksareveryinteresting．Wheredidyoubuy 2020-07-17 …
自考.工程经济学.（F/P,8%,5）=1.469(P/F,8%,5)=0.6806(F/A,8% 2020-07-18 …
还有一道题：(P/F,5%,1)=0.9524;(P/F,5%,5)=0.7835(F/P,5%, 2020-07-18 …