2018汉兰达提车作业

方程cos^2乘x+2sinx+2=0(x属于R)的解集是?函数y=2sin(派/3+2x)的单调递增区间是?急 求dy/dx=y(y-1）的通解 符号语言是一种什么样的计算机语言?有哪些符号语言? 符号语言是一种什么样的计算机语言? his book is under the desk（对 under the desk提问） is the book on the desk or under the desk怎么回答is tables two bed there a and room in the连词成句is the dress more beautiful than yours?怎么回答图片.一件裙子 book the desk the is under这几个单词怎么组句 求方程cos^2x-sin^2=1/2在区间[-2π,2π]上所有的解的和 有两种金属组合成的合金6.8克与足量的硫酸溶液反应,产生氢气0.4克,该合金的组成可能是钠和铁吗? My ball is on the f under the table the plant is under the table改为一般疑问句 my soccer ball is under the table.用答语写问句 our ball is under the table.用（behind the door ）改选择疑问句最好说一下相关句型 _______your ball under the table _____behind the door. the basketball is under the table 怎么改成一般疑问句 三角方程2sin(pai/2-x)=1的解集为（选择题）A、{x|x=2kpai+pai/3,k∈Z} B、{x|x=2kpai+5pai/3,k∈z}C、{x|x=2kpai正负pai/3,k∈Z} D、{x|x=kpai+(-1)^k,k∈z} 已知cos(α+β)cos(α-β)=1/5,则cos^2α-sin^2β的值是 英语问题They have a soccer.对a soccer提问.The basketball is under the desk.对under the desk下面的是变肯定和疑问并做回答.1.I have a basketball.2.Tom has fine basketball.3.The book is on the desk. soccer ball 与soccer区别 16.25克某金属M溶于稀硫酸,产生的氢气在标准状况下的体积为5.6升,并生成硫酸盐MSO4,求该金属M的相对原子质量 The c( ) is very important in growing of crops. the m_ of a name is very important C语言题 利用循环结构输出以下图形 一篇名叫爱的作文的素材 求一篇体验爱的作文限时间到4月10日早上8点 提供一篇作文《有一种爱叫做责任》好的有追小学的不要.要好点的.不好的作文不要.作文好的有追分 The history of writing is very old,____.A but not older than the language B but it certainly isn’t so old as the language C though not so old as language itself D though language itself is even older 为什么选C?恕我愚昧, Shenzhen is a very young city,( )the history of only about 30 year. 1.Jack is a 13-year-old__(America)boy 2.What are those__(man)doing?3.My art teacher is very__(young)and beautiful.4.The boy is__(miss)his famliy now.5.Jessica likes to go__(swim)on Saturday cos5π/12=√6-√2/4是怎么算出来的 mark twain is c_____ to be one of the most important writers in america Why Mark Twain is a Mirror of America? 英语翻译Mark Twain was a famous American writer.He wrote many stories and many of them were funny stories.These stories are still read by many people all over the world.Besides writing,he also liked hunting and fishing very much,so one year he we