步枪子弹直径
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已知复数zi+z/(1-i)=3+4i(i是虚数单位),则z=
照例子,写出汉字和词语例:二人为林,林海茫茫.再写出三个.急
已知二次三项式2x^2+3x-k有一个因式是(2x-5),求另一个因式以及k的值.用正确的格式写
已知二次三项式2x²-3x-2的一个因式为x-2,求另一个因式
你会对二次三项式2x2-3x-4分解因式吗?求问一个问题的解:你会对二次三项式2x2-3x-4分解因式吗?尽量把过程写下来!
二次三项式(m+1)*x-3x+2在实数范围内因式分解,则实数m的取值范围?
如果x^2-ax-8(a是整数)在实数范围内可以因式分解,求a的值
若ax^2-3x+1(a≠0)在实数范围内无法因式分解,求a的范围.
0.8,10,9/2,8/3,3组成比例
已知i是虚数单位,复数Z满足1+z/1-z=i,则|Z|=?
1.二次三项式3x²-4x+k,当x取何值时,能在实数范围内分解因式?2.对ax²+bx+c(a≠0)呢?
已知i为虚数单位,复数z满足i^1!+i^2!+i^3!+...+i^100!+z(1-i)=94,则复数z^2014=?求高人指点.
这道公文改错题怎么改?请看下面这道题:中共中央、国务院决定各省、自治区、直辖市人民政府:今年初,枝江县董镇信用社职工××同志为保卫国家财产,面对英勇歹徒,顽强搏斗,最后擒获歹
几道改错题He can speak a little Chinese,but not many.The twin brothers are going cross the road.Sometimes the students talk in English in class.Kate's trousers is blue.The men is swimming in the river.UK is for short the United Kingdom.
有8个数据的平均数是12,有12个数的平均数是17,求这20个数的平均数
有两组数,第一组的平均数是12.8有两组数,第一组数的平均数是12.8,第二组的平均数是10.2,而这两组数总的平均数是12.02,一、二组数的比急
求下列各数的立方根和求下列各式中的x的值求下列各数的立方根(1)2又10/27 ( 2)0.512 求下列各式中的x的值:1) 8x³+125=0 ( 2) (x-3)³=-1 (3)(2x-1)³=-8 (4)340+512x³=-3
求各式中x的值 (1)8x³+125=0 (2)(x+2)³=-27 求下列各式的值 (1)27的立方根-8的立方根(2)-64的立方根+9的平方根
请求高手帮做一道英语改错题,共10处错误My aunt was out of work in 2009.At a very beginning,she was afraid of being laughing at by others.She was worried about and wondered which she could find another job or not.It was hard for her to
英语改错题有10处错误
改错 英语短文有十处错误 每个错误只有一个单词 我自己写的不对 就当我没写 一共有十处错误 每个错误只有一个单词 注明每处改错的理由
英语改错,改下下面的文章,有10处错误,要正确率高点的!谢勒!Senior high school stdents in ZheJiang province is doing the new course calling General Technology ,It aims to teach pupires basic skills and improve his designing abiliti
In the afternoon of one Saturday in July ,a boy was being looking after his goats at the foot of a hill while suddenly black clouds began to gather .Then he decided to drive it into a cave.When he got there ,he found that many wild goats had come yet
一道英语改错题,只允许改10处短文改错只允许改10处This summer holiday,When I’m looking forward to,is coming.What great fun there is to go fishing!Play football is one of my hobbies,I can ride my bike,climb high mountains,or go swi
英语改错题 (共10处错误)Dear Mary,]Thank you very much for invite me to your birthday party in Saturday evening.I'd love to come and I have to go to the countryside to see my grandparents.They were very old and unluckily not in good healt
问一道英语改错题 怎么改高考全国卷的 RTEvery one of us can make a great efforts to 76.______________请问啊 去掉a 和 把 efforts 改成 effort 有什么区别啊 本来我也想去掉a 的 可是后面也有一道题目是删单
在下列各字上减一笔,变成另一个字并组词 急拉盲( )
若复数Z(1)=4+29i,Z(2)=6+9i,其中i是虚数单位,则复数(Z(1)-Z(2))的实部是多少后面问的是(Z(1)-Z(2))i的实部是多少
两个骰子扔两次,总共得到点数为7和11的概率是多少两个骰子扔两次,总共得到点数7和11的概率是多少一楼的回答是两个骰子扔一次的情况,注意现在是扔两次
初一地理 亚、欧两洲的分界线由北向南以此为___、___、___、___、___、___.世界最大一块大陆是____.亚、非两洲的分界线是___运河,沟通___和___南、北美洲的分界线是___运河,沟通___和___
与秦岭-淮河地理分界线大致重合的分界线有哪些?越多越好 但必须是已知的.不能是"或许是"的.
三大自然区之间分界线分别与哪些重要地理分界线大致吻合