()10.—Canyoucomewithmetothecommunitycentrethisafternoon?—.A.Certainly.I'mverybusynowB.sorrylet’sgoC.SureD.Thisweekend
() 10. —Can you come with me to the community centre this afternoon? — .
A. Certainly. I'm very busy now B. sorry let’s go
C. Sure D. This weekend
1.如果a≠0,p是正整数,那么下列各式中错误的是：（）A.a^-p=1/a^pB.a^-p=（1/ 2020-03-30 …
求出下列各式中的字母a的取值范围：1.a＜a/22.a＜1/a3.|a|/a=-14.1/a＞a＞0 2020-03-30 …
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a=xa+a=a+x2a=a+x2a-2x=a+x-2x2（a-x）=a-x2=1到底a=xa+a= 2020-03-30 …
1.a≠0,b≠0,则a/|a|＋b/|b|的不同取值的个数为（）A.3B.2C.1D.02.若|x 2020-03-31 …
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谁会这道题：—Wouldyouliketo—Wouldyouliketogohikingwithm 2020-08-03 …
()10.—Canyoucomewithmetothecommunitycentrethisafte 2020-10-30 …
递回关系式的运算公式(数列)以下是推导一个公式"a=a+r(1-p^n)/(1-p)"的过程a=p* 2021-01-13 …