thisisatalk

i usually spend an hour going to the library by bus同义句 1^2+2^2+……+100^2（1的平方加到100的平方）用一加一减的方法如何巧算?这是一本书中的习题,该章讲的就是用一加一减的方法巧妙地计算庞大的算式,有点像几何辅助线.不要公式的方法, I spend about ( )in the library ( A an hour aweek reading)(B a hour aweek to read)(C a week a reading)(D an hour a week to read 求圆柱的体积（底面积）或高. how much does your pen ______?l _____ an hour reading books every day A.spend B.take C.pay D.cost a的平方减a=1 求a的值同上 若a是有理数,则a一定是自然数吗?你能举例说明吗? 1减x的立方除以27 成语接龙 失 开头还有 “言” 开头 “千” 开头 “地”开头 急用！ 1-99乘以3.14依次的结果 x的立方减4x等于多少? 如图,反比例函数的图像与一次函数的图像交于A(m,2),B(-2,n).求一次函数的解析式 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