between+the+big+trees

@谯眨2289:between意思谢谢了 -
都宗18296251192…… between:在两者之间 team:名词 n. [C] 1.队;组;班[G] John is a member of the school volleyball team. 约翰是学校排球队队员. 2.(一起拉车的)一组马(或牛等)[G] 3.马(或牛等)及其所拉的车 4.一窝小动物(尤指小鸭或小猪)[G] 及物...

@谯眨2289:美国大学入学数学测试... -
都宗18296251192…… 1.Answer: B.x^3+4x^2-3x-1 Ideas: Let f(x) = x^3+4x^2-3x-1. Since f(0) = -1 0, by continuity the polynomial has a root between 0 and 1.2. Answer: B.2+3i Ideas: If a-bi is a root, then its conjugate a+bi must be also a root.美国高中数学教师

@谯眨2289:between+the+devil+and+deep+blue+sea是什么意思 -
都宗18296251192…… between the devil and deep blue sea 在魔鬼和深蓝色的大海之间 between the devil and deep blue sea [英][biˈtwi:n ðə ˈdevl ænd di:p blu: si:][美][bɪˈtwin ði ˈdɛvəl ənd dip blu si] n.左右为难的选择;

@谯眨2289:between+++++the+++++plates是甚么意思
都宗18296251192…… 意思是:在两个盘子之间 ☞ ♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧ ☜

@谯眨2289:There+++is+++a+++cat+++between+++the+++chair+++ - -----+++the+++door的横线上应当填甚么?
都宗18296251192…… 答案是: and 句子的意思是:在椅子和门之间有一只猫 ☞ ♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧ ☜

@谯眨2289:lt+is+in+the+room+between+the+bookcase+or+the+desk哪里错了
都宗18296251192…… 答案是: It's in the room between the bookcase and the desk☞ ♧手工翻译☀尊重劳动☀欢迎提问☀感谢采纳♧ ☜

@谯眨2289:复数a+bi的实部是a,虚部是b.这句话正确吗?为什么? -
都宗18296251192…… 不正确.应该回答:实部a.是虚部是bi.

@谯眨2289:用c语言编写程序:输入两个复数,计算并输出它们的和及乘积 -
都宗18296251192…… 首先知道复数的运算公式 有两个复数:z1=a+bi ,z2=c+di 那么复数和为:z=(a+c)+(b+d)i.积为(ac-bd)+(bc+ad)i 程序如下: #include<stdio.h> #include<math.h> void main() { int i1,i2,j1,j2; int sum(int i1,int i2,int j1,int j2); int mul(int i1,int i2,int j...

@谯眨2289:设 a,b∈R,a+bi= 2 - i 3 - 4i (i为虚数单位),则a+b=------ -
都宗18296251192…… 因为 a,b∈R,a+bi= 2-i 3-4i = (2-i)(3+4i) (3-4i)(3+4i) = 10+5i 25 = 2 5 + 1 5 i ,所以a= 2 5 ,b= 1 5 ,a+b= 3 5 . 故答案为: 3 5 .

@谯眨2289:复数中|(a+bi)/(c+di)|等于|a+bi|/|c+di|吗? -
都宗18296251192…… 解:一般不相等 |a+bi|=√a^2+b^2 而a+bi含有虚数 很高兴为您解答,祝你学习进步!【学习宝典】团队为您答题. 有不明白的可以追问!如果您认可我的回答. 请点击下面的【选为满意回答】按钮,谢谢!

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