先化简再求值练习题七年级
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/16 10:23:14
![先化简再求值练习题七年级](/uploads/image/f/2040019-43-9.jpg?t=%E5%85%88%E5%8C%96%E7%AE%80%E5%86%8D%E6%B1%82%E5%80%BC%E7%BB%83%E4%B9%A0%E9%A2%98%E4%B8%83%E5%B9%B4%E7%BA%A7)
A1,2.Wewillnotplaybadmintontoday.3.Theywillnotcomebackearly.4.Blilwillfinishhishomeworktonight.5.Itw
有图来图,没图打字再问:y有两个大题再问:再问:再问:再问:vi,vii再答:我和你同级,说是哪本哪页再答:这是什么辅导书再问:全品92再答:我先回答viWouldlikewant再答:Bottles
31-35ABCDD36-40BDBAA41-45AABCD46-50BCABD51CBAB
1.coming2,smart3,miss4,failed5,6,laugh8,member9,super,10,pupula
有理数的减法有理数的加减混合运算和有理数的乘法练习题及答案
3.3ab-4ab+8ab-7ab+ab=______.4.7x-(5x-5y)-y=______.5.23a3bc2-15ab2c+8abc-24a3bc2-8abc=______.6.-7x2+6
Ourteachergoestoworkseldombycar.我们的老师很少开车去上班.MrWangishelpingstudentswiththeirEnglish.王先生正在教他的学生英语.Wh
初一语文上学期第一单元复习题一、基础知识及运用1.注音.拟()藐()壑()砾()辜()翅()庸()暂()绽()虬()槐()溅()伶()穗()啜()屡()瞬()凝()喧()憩()怡()伫()痴()迂()
Wheredoeshissisterwork?Jackwritestomeeverymonth.Hehasashowerafterhegetsupeveryday.Doyouwanttokonwabo
题?再问:恩
7(2x-1)-3(4x-1)=4(3x+2)-1;(5y+1)+(1-y)=(9y+1)+(1-3y);[()-4]=x+2;20%+(1-20%)(320-x)=320×40%2(x-2)+2=x
请问是哪个版本的?
百分百正确,看得清楚吗?貌似.暴露了自己.
设a>b>0,a^2+b^2=6ab,则(a+b)/(b-a)的值等于?a^2+b^2=6ab(a+b)^2=8ab(a-b)^2=4aba>b>0a+b=√8aba-b=√4abb-a=-√4ab(
可以从百度文库中搜七年级上册解方程有理数计算化简求职练习题大全
eadingwritingswimmingstudying’playingdyinglyingrunningcleaninghaving DCBBAADADB
1.worksin2.smelldangerous3.heipedalot4.appearsonTV
不好意思,下载的时候花了财富值的,
原式=(x²+4xy+4y²-3x²-2xy+y²-5y²)÷2x=(-2x²+2xy)÷2x=-x+y=2+1/2=5/2