回答下列数学题,要准确率,不要跑堂,直角三角形的最长边长为13,最短边长为5,则这个三角形的面积为A65/2 B30 C78 D无法计算

回答下列数学题,要准确率,不要跑堂,求不等式x-1/6≤x+1/3-x-1/2的非负整数解 回答下列数学题,要准确率,不要跑堂,直角三角形的最长边长为13,最短边长为5,则这个三角形的面积为A65/2 B30 C78 D无法计算 回答下面的数学题,要准确率,不要跑堂,X已知X²+3X+1=0,求(1)x+1/x,(2)x²+1/x²+2x+2/x的值前面一个x是多打的 回答下列英语题,要准确率,不要跑堂,将下列句子合并为含有宾语从句的复合句.1.was,better,our,team,i,think(.)2.free tomorrow ,lily says,won't,she,be(.）3.father christmas isn't real ,the children didn't know(.)4.''the stati 回答下列英语题,要准确率,不要跑堂,括号代表填入单词,急,1.The medicine tasted b() and the child spat it out 2.He was so n() about his exams that he couldn't sleep3.How did you do on your maths t()?4.We started our journey in high 回答下列英语题,要准确率,不要跑堂,括号代表所填单词一：1.Tom lost his bike .he felt s()2.The teacher a() his suggestions3.There are four important r() in Beijing Opera4.My father always makes me l()5.Don't w() about your mother 回答如面的英语题,不要跑堂,要准确率,()的意思是补充什么单词,mary often s() two hours reading stories every dayjane is very p() of her new carare you p() about the results she was s() at us in a friendly wayI want to i() our fr 要按格式回答,准确率要高】 选择填空.要准确率,不要跑堂,急,（）代表选项1.what kind of () does your son want?orange juicea fruit b vegetables c noodles d drinks2.would you like to come to my birthday party?a yes,i would b yes,i'd love to c no,i wouldn't d no,i 选择填空,要准确率,不要跑堂,1.he was () sad at the bad news that he could say a word.a very b so c too d much2.why not() music club i 'm sorry,i can't sing or dance .a to jion b joining c jain d to join in3.study hard,() you'll fall behind 选择填空,要准确率,不要跑堂,1.() won the 100th gold medal at the olympics for china?zhang yi ninga who b what c when d where2.what did you do yesterday afternoon?i did() shoppinga a few of b a piece of c a lot of d a number of3 .remember ( 一.选择填空.要准确率,不要跑堂,1.i don't know () he will come.a if b what c how d is 2.he often helps his mother () the housework .a did b does c do d doing3.the new term is coming.the students are busy () the classrooms .a clean b cleans 选择适当的词语,并用其正确形式填空.要准确率,不要跑堂,a expensive/cheap1.the machine is newly invented,so it is very---2.this shirt is ---,but it is as good as the others.i'll buy it.b family/house/ home1.he always stays at ---o 用所给词的适当形式填空,要准确率,不要跑堂,急,1.'---(not be) late for school again ,' mrs li said 2.mary made him ---(wash) the sweater last sunday 3.one of the girls ---(sing) now 4.don't talk ---(loud) in class 5.her mother is goo 用所给词的适当形式填空,要准确率,不要跑堂,1.while he---(stay) there,he went to see his friend .2.we ---(go) to school as soon as the building ---(be) over next week.3.--- (not get) off the bus until it ----(stop)4.how much did you-- 用所给词的适当形式填空,要准确率,不要跑堂,---代表所填的词的适当形式1.it's better---（get) some food before they start .2.they had a ---(wonder) train ride to sichuan .3.the ---(many) trees,the better.4.what's the ---(dif 用所给词的适当形式填空.要准确率,不要跑堂,---代表所填的词1.on a rainy day,you mustn't drive ---(quick)2.pay attention to traffic ---(light).3.go ---(cross) the street,you can find the bookshop .4.---(travel) on foot is slow 5. 选词填空,要准确率,不要跑堂.括号代表所填的词1.Thank you for () us to visit your new house A ask B inviting Ctook D carrying 2.Betty's mother is ill.She () stay at home and look after her A have to B could c must d has to3.Miss zhan