A:Goodmorning!1.B:YesIwanttojointhechessclub.A:Good2.B:David.A:3.B:I'mtwelve.A:4.B:Mytelephonenumberis435-201.A:5B:Yesalittle.A:Hereisacardpleasefillitout.B:Thankyou.A
A: Good morning! 1.
B: Yes I want to join the chess club.
A: Good 2.
B: David.
A: 3.
B: I'm twelve.
A : 4 .
B: My telephone number is 435-201.
A: 5
B: Yes a little.
A: Here is a card please fill it out.
B: Thank you.
A: You're welcome.
A. What's your name?
B. How can we contact you?
C. Can you play chess?
D. I can play chess.
E. How old are you?
F. What can you do?
G. Can I help you?
1 〜5 GAEBC
(1)x/a+x/b-a+a/a+b(a不等于0,axa不等于bxb)(2)(mx-n)(m+n) 2020-04-07 …
24 (a+b)/(c+d)=(√a^2+b^2)/√ (c^2+d^2)成立证明:(1)a/b= 2020-05-14 …
如图正方形被一条曲线分成A、B两部分,下面()说法正确.A.如果a>b,那么A周长大于B周长B.如 2020-05-17 …
同学们植树,成活了a棵,死了b棵,成活率是()a.a/b*100%b.b/a*100%c.a同学们 2020-06-03 …
写出集合A={a,b,c}的所有子集和真子集拜托各位大神子集:空集,{a},{b},{c},{a, 2020-07-29 …
集合的运算1.已知A={1,2,3,4},B={3,4,5},求A交集B,A并集B.2.已知A={ 2020-07-30 …
35.a+b+c=26;(A)证明:(1)a、b、c成等比数列,且a,b+4,c成等差数列=/=> 2020-07-30 …
a^3+b^3+c^3-3abc=0=(a+b)^3+c^3-3a^2b-3ab^2-3abc,我 2020-07-31 …
1.b(x-y)+c(y-x)=(x-y)()2.a(a+b)^2+(b+a)^3中的公因式是3. 2020-08-01 …
集合A(-1,1),集合B(b-a,a+b),a=1是A交B的充分条件,求b的范围求高手们快帮帮小 2020-08-02 …