分类：教育/科学-学习帮助
问题：帮忙解答啊``英语：1.汉译英：我想尽可能快地完成作业Iwant 
英语：1.汉译英：我想尽可能快地完成作业 I want to _my homework _ _ _ _.2.根据首字母和解释写出单词：r_    part of a building enclosed by walls.3.句型转换（1）I usually have nothing to do on weekends.改为同义句     I _usually _on weekends. (2) There is something wrong with my watch.同上     _ _ wrong with m英语：1.汉译英：我想尽可能快地完成作业 I want to _my homework _ _ _ _.2.根据首字母和解释写出单词：r_    part of a building enclosed by walls.3.句型转换（1）I usually have nothing to do on weekends.改为同义句     I _usually _on weekends. (2) There is something wrong with my watch.同上     _ _ wrong with my watch.4.汉译英：（1）格林太太正忙着考驾照。    Mrs Green is busy _ _ _ pass the driving licence. (2)听到申奥成功的消息，许多人彻夜未眠。    Hearing the news of gaining success in biding the 2008        Olympic Games,many people were _excied_sleeothe whole night.  5.with 的反义词为____。：1。若不论X为何值，代数式x-2a+bx+3的值与ax+b的值总是相等，求a,b的值。2。某种数学竞赛已举行了100次，共出了600道题，每次出题有21道题，或8道，或6道，那其中考21道题的有几次？3。现有含盐15%的盐水120千克，要用80千克质量分数较低的盐水与它混合，使混合后的盐水质量分数在10%—20%之间（包括10%和20%），那么着80千克的质量分数在什么范围内？
回答：English: nish/completeassoon/quicklyaspossible2.******3.(1)amfree(2) oto6.without数学:1。比较系数法。x-2a+bx+3=(b+1)x+(3-2a)ax+b==>a=b+1;b=3-2a==>a=4/3,b=1/3.2.0次100*6=600;如果有21道题,或8道,一定>600。3。0.1<(80x+15%*120)/(120+80)<0.2==>2<80x<22==>2.5%<x<27.5%