(x的-3次乘y的平方)y的-4次➗x的-2次

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分解因式4x减x立方等于 x的立方 减 4x的平方的单调性 4x立方-x 请问现在报名托福最早能报到什么时候的啊? half hour =half an hour half hour half an hour 的意思有和区别? 手机电池的额定容量、最大电量、最小电量都是什么意思?充电时应该冲到多大容量 变压器额定容量为20000KW,那么一年能够转换多少电量呢? first Daniel stands o___,because he forgets to take any money with him. they could not do anything because they did not know 《》with him A.what was wrongB.what wrong is把wrong换成matter还是选A吗?搞错 了 B是what wrong was a good friend is helpful because he can s_____ sadness with you None of the students could understand his__.(explain) The students cannot understand what he said.为什么要填what? (-1\2)的-3次方+(-2)的0次方+(-0.1)的2010次方*10的2010次方 计算:(-1/2)的-3次方+(-2)的0次方+(-0.1)的2010次方*(10)的2010次方 若关于x的不等式组{x-m 介词填空:Kitty gets ( ) the bus.Then she walks ( ) the bus stop ( ) school. where's kitty?she is standing--------kally and peter.用介词怎么填 People in the West and China mean diffrent things when they use the words' yes' and 'no'In china the words do not necessarily mean yes or nofeel uneasy to say the wordsfeel unhappy when the others take his words yes and no seriouslyrespond to yes an 关于周期函数的几种判断方法和形式,如何理解记忆,本人觉得好难记忆啊 制作生态瓶成败的原因 制作的生态瓶会受到哪些因素的影响? because they don't understand what you are saying的意思. Because they don't understand what you are saying.的汉语意思是什么啊? Of course they don't understand what they talk 有一处错误请改正 He finds watching movies____because he can't understand what they are speaking.A.boring B.bored C.exciting D.excited 5.有理数能满足哪些运算律?结合例子说明在有理数运算中运算律的作用 有理数有哪些运算律?说明在运算中有什么作用? 求有理数的运算律 根据有理数的运算律,下列正确的是( A.x÷1/y2+1=x*(y2+1) (X除以y的平方+1分之1,等于,X乘以y的平方+1的和) B.a÷(b+c)=a÷b+a÷c C.-m(a-b+c)=ma+mb-mc 有没有托福改分的呢?我有的 《八 三 七 七 零 五 二 二》 已知x+y=10,x^3+y^3=400,求x^2+y^2 生活有哪些不确定因素?