C语言中设变量均已定义

5/8-x＝5/16 解方程 16.8/x=2.8(解方程） 2(3+x)=16.8-x 解方程 2(3+x)=16.8-x 解方程 解方程 2/x+10/(x+16)=12/x+8 2.5乘(x-百分之16)=1.8 解方程 （X-0.16）除0.3=1.8（解方程） 4x+18x2=58解方程怎么解? 解方程 x^3-4x+16=0 解方程 4x：3=16 设[x]表示为不超过x的最大整数,解下列方程:(1)|x|+2[x]+4[x]+8[x]+16[x]+58=0;(2)设[x]表示为不超过x的最大整数,解下列方程:(1)|x|+2[x]+4[x]+8[x]+16[x]+58=0;(2)[2x+1]=x-1/3 符号[X]表示不大于x的最大整数,如[3.14]=3,[-7.59]=-8,则关于x的方程[7分之3x-4]=2的整数解为___________ ． 若 [x] 是不超 x 的最大整数,如 [3.1] = 3 ,若 x0 是方程 2[ ] = 8 的实数根,则（x）（A） 2 < x0 < 3（B） 3 < x0 < 4（C） 2 < x0 ≤ 3（ D） 3 ≤ x0 < 42．已知两点 A (1,2),B (3,1) 到直线 L 的距离分别是 2 ,5 初二英语选择题,求讲解The teacher and writer ____ doing exercise this time yesterday.A.is B.was C.are D.were正确答案是B.求讲解! 初二英语选择题 解析On my way home,I saw a dog ______on the road.A.lay B.lying C.lies D.to lie 初二英语选择题（需要具体解析）英语选择题：How________she___________healthy? She's going to exercise every morning. A.is,keeping B.is,going to keep c.does,keep PS（格式,为什么要选这个答案,给我举个例子） 英语 填空 (24 23:51:34)She says she (                                    英语 句型转换 (4 15:51:9)He is kind.He often helps the blind cross the road.(合并为一句)____kind ____ ___ _____help the blind cross the road. 几个初二英语选择题选出与括号中意思相同或相近的选项1. once her（made up his mind to）do something ,there is nothing can stop him.A. wanted B. decided C. tried D. liked2. Shall we meet at a quarter to 1、Alex is a(n) ____ boy.He always makes mistakes in his homework.A.quiet B.outgoing C.careful D.careless2、My music teacher advised me ____ the school music club.A.join B.joining C.to join D.joined3、After I leave school,I think the first step is 46-47-48-49-50-51-52-初二英语 九年级英语选择,51、52为什么选这个答案 力的作用是相互的 (5 20:1:51)跳水运动员在起跳前总是有一个跳起来向下压跳板的过程,在这一过程中,压跳板的力的作用效果是使跳板发生_______________.在跳板弹起的过程中,跳板对运动员的力的 英语翻译1、-What would you__buy for the New Year?-Well,I'd like to have anew dress.A、like B、like to C、want2、These pants___very nice.A、look B、see C、sound3、These pants__natural materials.A、are making of B、are made of C、made o 选择题：初二英语.说出为什么.最好有翻译1、A number of boys in our class_____in football and the number of them____.A、is interested is B、are interested,isC、are interested,are D、is interested,are2、Although the old lady l 1、How did you feel when----------your team didn‘t win?A hear B hears C hearing D heard2、I think -------------necessary to communicate more with your parents.A this B that C it D one3.Many students can't realize the importance of English until t They ______for help but nobody heard them______Ascreamed;shout Bshout;shouts Cshouting;shouted Dshouts;shouts我觉得题目错了一样的 1.I`ll go with you as soon as I ________ my work.A.will finish B.shall finish C.finish D.finished2.There ________ a sports meeting next week.A.is going to B.is going to have C.will be D.will have3.We don`t know if she ______here .If she ______,we`ll 1、I discover that the most difficult thing in learning English is to____ it well.A say B speak C talk D tell2、What do you think____ in the future?A happen B happens C will happen D to happen 3、Teachers and parents often____ our students to stud 英语翻译1.是因为我英语说得好,我才得到了这份工作.____ _____ _____ because I spoke good English _____ I could get this job.2.事实上,我并不想跟你一起出去.____ _____ ,I don't ____ ____ go out with you.3.别忘了带上 英语翻译1.我刚开始由于来到新的环境里,度过了一段艰难的时光；2.王翔和同学们对你非常友好,经常在学习上帮助我.他在生活上还经常照顾我,如经常邀请我去他家吃饭.看电影.借书给我看； 英语翻译