>
数学
>
计算 ①(x-y)(-y-x) ②(x+2)(x-2)(x²+4)
人气:370 ℃ 时间:2020-05-18 21:13:18
解答
第一个为—(x²+y²)第二个为(x四次方—16)第一个不是y²-x²吗我前面些写了负号哦哦没看见
可是去掉负号不就是-x²-y² 了吗
推荐
计算 1/x²-y²+ 2 /(x-y)²
(x-y)·2(x-y)²·3(x-y)³ 计算
计算 [2x²-(x-y)(x+y)][(2-x)(2+x)+(y-2)(y+2)]
计算:(x-y)²(x²+y²)²(x+y)²
计算(x²+y²)²(x+y)²(x-y)²
sentence pattern什么意思
October 1st is Chinese National Day.(改为同义句)
relative是什么意思?
猜你喜欢
spent cost pay take 的区别
关于师生情谊的小诗,
是27-59页的啊.
If it doesn’t rain tomorrow,we’ll go to have a picnic.同义
改为同义句---He began to be interested in music when he was 9 years old.
一个原来静止的物体,质量是10KG,在20N的恒力作用下,10S末的速度是多大?50S内通过的路程是多少?
There _____many animals in the zoo,but there ____so many now.
Why don't you try yourself?的同义句
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版