在下列各式等号右端的空白处填入适当的系数,使等式成立(例如:dx=-1/4(4x+5)): (1)dx=________d(
在下列各式等号右端的空白处填入适当的系数,使等式成立(例如:dx=-1/4(4x+5)): (1)dx=________d(ax+b)(a≠0);
(3)xdx=_________d(kx2+b)(k≠0); (4)x3dx=_________d(3x4-2); (5)eaxdx=________d(eax+b);
在下列各式等号右端的空白处填入适当的系数,使等式成立(例如:dx=-1/4(4x+5)): (1)dx=________d(ax+b)(a≠0);
(3)xdx=_________d(kx2+b)(k≠0); (4)x3dx=_________d(3x4-2); (5)eaxdx=________d(eax+b);
第1题
试题11
下列程序的功能是求算式:1-1/2+1/3-1/4+……前30项之和。请在空白处填入适当的语句,使程序可以完成指定的功能。
Private Sub Command0_Click()
Dim i As Single , s As Single,f As Single
s=0 :f=1
For i= 1 To 30
s=s+f / i
f=___【11】__
Next i
Debug.Print “1-1/2+1/3-1/4+……=”;s
End Sub
第2题
(武汉大学2009年考研试题)紊流附加切应力r=一
,等号右端取负号的原因是_________。
第3题
阅读短文,在空白处填入适当的介词。
With One day, Mr. Green told his students to make sentences (1) the words“love, hate” and so on. The kids were all busy (2) the work on their notes.
(3) several minutes many of them handed in their work (4) the teacher.Mr. Green read the notes one (5) one. And most(6)the sentences made by the children were good. There was a big smile(7)his face. Just (8) that time he found a piece of red paper. On it there was such a sentence,“I love my mother better than my father.”“Eim... OK!”said Mr.Green,“but..”He turned over the paper.
He found there were no names (9) that paper. He read the sentence again and again. And slowly the big smile (10) his face was gone. Then he said to the class, “ Whose paper is this?”Tom stood up and said,“It's mine, sir.”
第4题
第5题
第6题