圆柱体积计算公式

我要当一初三的数理化家教 到底难不难啊 关于x的实系数一元二次方程的两根一定是共轭复数吗 用一段话描写自己熟悉的同学 描写自己忍俊不禁的一段话 If you have a problem with that.Then its okay THAT'S OKAY!翻译中文 关于一元二次方程的虚根,如果一元二次方程没有实根,那么就一定有两个共轭的虚根吗? 实系数一元二次方程有没有可能有一个实根一个虚根?实系数一元二次方程ax^2+bx+c=0有没有可能有一个实根一个虚根? 运用下列词语(不能漏词)写一段话展示自己自信和勇气的话;机遇 信任 掌声 实力 未来 如何树立好演讲的自信心拜托各位大神比如一些公共场合,开会啦,需要演讲发言,怎样才可以让自己更自信,演讲自如,能把气氛活跃起来... the man who made the first popular watch was walking in a park one day.谢 表现劳动的美的一段话怎么写?表现劳动的美的诗怎么写?可以自己偏写 the man who made the devil glad怎么翻译 1.-Li ming,how are you feeling now?-Much _____.A.better B.well C.good2.-Could you give me ______ tea?-Sorry,there isn't _____.A.some,any B.any,any C.any,some3.Liu Huan _____sing some songs in English.A.also can B.can also C.too can4.适当形式填 how are you feeling now i 'm feeling much (well)than yesterday ,thank you .用所给词的适当形式填空,要说为什么? I'm feeling much ____(good) now 括号里填什么?紧急 jim,how are you feeling now --i am much better,mum.so you ___take me to see the doctor.A.can't B.mustn's C.neen't D.couldn't 《自相矛盾》文言文解释字词解释字词【括号中的是加点字】1.不可陷之盾【夫】2.同世而【立】 对于任何自然数x、y,规定x＊y＝2x/y＋3,且256＊x=19,则x＝一. 如果2x-y=4且1/2x+1/3y＜1,求自然数x的值 若X是自然数,设Y=X^4+2X^3+2X^2+2X+1 证明Y是不完全平方数 Have you i( )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heaHave you（ )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heard of;heard of D.heard;heard of Never they have heard such an interesting story.还是 never have they heard求更多的列子 文言文全文解释:自相矛盾 x是非零的自然数,则2x+1是什么数?素数 合数 偶数 还是奇数? --mike wants to know,if (you will have )a pinic tomorrow.----yes .but if it (rains) ,we will visitthe museum instead.有无固定搭配 When Walt Disney was a young man,he wanted very much to be an artist.One day he ____along some of his pictures and _____to a newspaper office in the hope of _____ a job there.But they were not _____in his pictures.His friends tried to ______ him.Disn One day a man was walking along the beach.He found many starfishes washed up onto the beach全文内容 i still remember the day(when)i first go to paris这句话还原不是i first go to paris on the day.那用on which行吗?到底可不可以啊？ 短文改错 One day,a boy as well as his mother were walking along the street when a little g...短文改错 One day,a boy as well as his mother were walking along the street when a little girl fell down onto the ground.The boy wanted to help her u 一道英语句型转换题 You have to go to the doctor tomorrow.(改为祈使句）__ __the doctor tomorrow. Thank for __(tell) me the good news.