英语与数学的一些七年级问题英语:(每空一词)你有一个小鼻子.You have a small nose.=你的鼻子是大的.Your nose is big 我长着大脚___ ___ ____ ___=我的脚是大的.My feet __ ___他的腿短.His legs are short = _
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![英语与数学的一些七年级问题英语:(每空一词)你有一个小鼻子.You have a small nose.=你的鼻子是大的.Your nose is big 我长着大脚___ ___ ____ ___=我的脚是大的.My feet __ ___他的腿短.His legs are short = _](/uploads/image/z/7244358-6-8.jpg?t=%E8%8B%B1%E8%AF%AD%E4%B8%8E%E6%95%B0%E5%AD%A6%E7%9A%84%E4%B8%80%E4%BA%9B%E4%B8%83%E5%B9%B4%E7%BA%A7%E9%97%AE%E9%A2%98%E8%8B%B1%E8%AF%AD%EF%BC%9A%28%E6%AF%8F%E7%A9%BA%E4%B8%80%E8%AF%8D%EF%BC%89%E4%BD%A0%E6%9C%89%E4%B8%80%E4%B8%AA%E5%B0%8F%E9%BC%BB%E5%AD%90.You+have+a+small+nose.%3D%E4%BD%A0%E7%9A%84%E9%BC%BB%E5%AD%90%E6%98%AF%E5%A4%A7%E7%9A%84.Your+nose+is+big+%E6%88%91%E9%95%BF%E7%9D%80%E5%A4%A7%E8%84%9A___+___+____+___%3D%E6%88%91%E7%9A%84%E8%84%9A%E6%98%AF%E5%A4%A7%E7%9A%84.My+feet+__++___%E4%BB%96%E7%9A%84%E8%85%BF%E7%9F%AD.His+legs+are+short++%3D+_)
英语与数学的一些七年级问题英语:(每空一词)你有一个小鼻子.You have a small nose.=你的鼻子是大的.Your nose is big 我长着大脚___ ___ ____ ___=我的脚是大的.My feet __ ___他的腿短.His legs are short = _
英语与数学的一些七年级问题
英语:(每空一词)
你有一个小鼻子.You have a small nose.=你的鼻子是大的.Your nose is big
我长着大脚___ ___ ____ ___=我的脚是大的.My feet __ ___
他的腿短.His legs are short = __ ___ ___ ___
她长着长头发.She has long hair.= ____ ___ ___ ___
你有着小手.Your hands are small=___ ___ ___ __
数学:1. 多项式3x³+2mx²-5x+3与多项式8x²+3x+5相加后,不含二次项,求m的值(要有过程啊,这不是填空!)2.若关于x,y的单项式 mx的n+1次方y的2m+5次方与x³y的和是单项式,求2m-n+2n²-m²-m²-2n²的值(要过程,这不是填空)
英语与数学的一些七年级问题英语:(每空一词)你有一个小鼻子.You have a small nose.=你的鼻子是大的.Your nose is big 我长着大脚___ ___ ____ ___=我的脚是大的.My feet __ ___他的腿短.His legs are short = _
l have big feet =My feet are big
2he has short legs
3her hair is long
4you have small hands
因为 多项式3x³+2mx²-5x+3与多项式8x²+3x+5相加后,不含二次项
所以 2mx+8x²=0
所以 m=4
因为:单项式mx的n+1次方乘y的2m+5次方与x的立方乘y的和为单项式,所以,前后两项应该是同类项,即是说:x的指数相同,y的指数也相同,故有:
n+1=3
2m+5=1
列解上述两式得:n=2,m=-2
2m-n+2n²-m²-m²-2n²的值
2m-n-2m²
2-8=-6
I have big feet my feet is big
he have short leg
her chief long hair
Your have small hands
m=0
=zm-n加(2n的平方-2n的平方)-(-m的平方-m的平方)
=zm-n
I have big feet。My feet is big。
He has short legs。
Her hair is long 。
You have small hands。
英语 I have big feet. My feet are big He has short legs. Her hair is long. You have small hands.
数学 T1 先找这两个式子中的次数是二的同类项2mx²与8x²只能是他们抵消 所以M=负十六分之一
下一题你自己做吧 我还要办手抄报呢 谁让我们都是苦逼的初一生呢苦...
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英语 I have big feet. My feet are big He has short legs. Her hair is long. You have small hands.
数学 T1 先找这两个式子中的次数是二的同类项2mx²与8x²只能是他们抵消 所以M=负十六分之一
下一题你自己做吧 我还要办手抄报呢 谁让我们都是苦逼的初一生呢
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