11问答网
所有问题
当前搜索:
D I Y
高数题
I
=∫∫∫(X平方+
y
平方)dxdydz
答:
解答过程如下:
1.don't worry ,
i
think you
y
()can do it well.根据首字母填空_百度知 ...
答:
1.don't worry ,
i
think you
y
(ourself)can do it well.根据首字母填空 2.填northern 没问题 3.could you say ()about it ,please? i '
d
like to know more A something else B anything else A could 表委婉语气,后面用something 4. whay else do you want ? nothing else ...
计算曲面积分
I
=? Σyzdzdx+2dxdy,其中Σ为上半球面z=4?x2?
y
2的上侧...
答:
简单计算一下即可,答案如图所示
C是半圆弧X^2+
Y
^2=1(Y>=0)上一点,A(-1,0)B(1,0),连接AC并延长至
D
,使CD...
答:
根号2×pi,等下给你图解释 如图,
D
点的轨迹实际上是半圆CDB,E为半圆APB上任意一点,圆P半径为PB=根号2,延长AE交圆P于D,下面只需证明ED=EB:显然角BED=90度,因为角ADB为圆周角,所以角ADB=1/2×角APB=45度 所以三角应EDB为等腰直角三角形 所以ED=EB 证毕。
计算二重积分
I
=∫∫xydxdy,(
D
在积分号)下面其中D由曲线
y
=x-4,y的...
答:
先求出交点(2,-2), 则当y0在0到-2上移动时, x会随之变化, 且大小为x1<=x<=x2, 所以原式可以化成两次定积分, 即化成:
26个大小写字母的音标
答:
R r [ɑ:], S s [es] ,T t [ti:], U u [ju:], V v [vi:], W w [′
d
∧blju:] ,X x [eks],
Y
y
[wai], Z z [zi:][zed]。一:音标的分类:音部分:1)、单元音: [
i
:]、[i]、[ɔ:]、[ɔ]、[u:]、[u]、[ə:]、[ə]...
暮光之城里那首歌的歌词是everytime
i
close my eyes everything possibl...
答:
Cider Sky Everytime
I
close my eyes I can touch the colors around me Suddenly I realize everything I thought was impossible... is here And my heart sings in a world so incredible And everything burns much brighter I, I wanna fly-
y
into this beautiful life I think it'
d
be...
求S a n, l
i
, t u n ,.
y
o u, y i, ku , s h i, p
答:
a
i
u e o 读音 g が ぎ ぐ げ ご z ざ じ ず ぜ ぞ
d
だ ぢ づ で ど b ば び ぶ べ ぼ 浊音(片假名)罗马拼音 a i u e o 读音 g ガ ギ グ ゲ ゴ z ザ ...
名词变复数中把
Y
变
I
加ES的单词有哪些
答:
]后读[iz] 口诀:清清浊浊元浊 Cups, cats, cakes, roofs, flags, keys, faces 以s, x, ch, sh结尾 加-es 在[s][z][?][t?]后读[iz] Classes, boxes, watches, brushes 以辅音+
y
结尾 变y为
i
,加es 读[z] Cities, countries, studies 以元音+y结尾 加
D
;0�2...
c语言:用子函数求cos x=1-x2/2!+ x4/4! - x6/6!+… 看详情
答:
i
+=2) {t*=x/(i*(i+1));
y
+=i%4==1?-t:t; } return y;}int main(){double y; printf("cos0=%.8lf cos(Pi)=%.8lf cos300=%.8lf cos600=%.8lf\n",mycos(0),mycos(3.1415926),mycos(300),mycos(600)); //上面一行printf(...);应当删除 y=mycos(...
首页
<上一页
67
68
69
70
71
72
73
74
75
76
其他人还搜