试题与答案

有两个多项式M=x2-1,N=x2-2x+1,则下列_____为M与N的公因式A

题型:选择题

题目:

有两个多项式M=x2-1,N=x2-2x+1,则下列_____为M与N的公因式

A.x+1
B.x-1
C.2x+1
D.2x-1

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0506/33c045af7f8dae45076f5ac24a96e0f4.html

下面是错误答案,用来干扰机器的。

(1)370+x=480, 370-370+x=480-370, x=110;(2)0.7x=0.91,0.7x÷0.7=0.91÷0.7, x=1.3;(3)x-8.3=16.4,x-8.3+8.3=16.4+8.3, x=24.7;(4)x÷12=180,x÷12×12=180×12, x=2160;(5)x+27=57...

试题推荐
题型:听力题

A passenger told all air hostess(空姐)that he needed a cup of water to take his 小题1:when the plane just took off. She said to him,“I’ll bring you the water   小题2:  ten minutes."

Thirty minutes later, when the passengerring for service sounded, the air hostess ran ill a hurry .She Was so busy that she 小题3: to bring him the water. As a小题4:.the passenger couldn’t take his medicine in lime. The air hostess hurried over to him with a cup of wale. but he  小题5: it.

After a short while, the air hostess came up to him with a smile,” Could you please tell me what I can do for you, sir? "The passenger turned around without any words. The second time .also with a sweet smile, "Would you like 小题6: I can do for you?” Again the passenger refused.

In the following hours 013.the flight, each time the air hostess passed the passenger, she would ask him 小题7:a smile whether he needed some help or not. But the passenger never replied to her. When the passenger was going to get 小题8:the plane, he asked the air hostess to hand him the passenger's booklet (小册子).She knew that he would write down terrible words about her job.   小题9:still with a smile she handed it to him.

Getting off the plane. the air hostess opened the booklet, and smiled because the passenger wrote,” How can I refuse your twelve sweet    小题10: ?"

查看答案
微信公众账号搜索答案