myconclusioniswhetherbuildingsshouldbebuiltintraditionalstylesshouldbedeterminedonacase-by-casebasis搜索结果第27页,早教吧

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have to be home 和 have to get home的区别十点之前必须到家是have to be home by 10 o'clock还是have to get home by 10 o'clock 英语

【初一数学题】解二元一次方程组【紧急】已知{x=2,y=-1是方程组{ax-3y=7,x-by=5的解,求代数式3a+4b-5已知{x=2,y=-1是方程组{ax-3y=7,x-by=5的解,求代数式3a+4b-5的值.【注意：要有丰富的内容。不管你是数学

也好，只要有精彩丰富的内容。

三道英语语法题,求详解He was disappointed to find his proposals .(turn down)Sitting by her side,I could feel her heart (beat) fast.Surrounded by 英语

he police ,the

几道英语被动语态的题,1、We often see him help his classmates.He( )often( )( )help his classmates(by us).2、Who is repairing the bike?By whom( )the 英语

bike( )(

关于XY的方程组ax+by=-16 cx+20y=-224的解为x=8y=-10.某人由于看错了系数c而得解为X=12y=-13求a+b+c的值?ax+by=-16 cx+20y=-224的解为x=8,y=-10,代入得8a-10b=-16----------（1）8 数学

-200=-224,c=-3

甲乙二人同解方程组{Ax+By=7,2Ax-By=-2,甲看错了第一个方程解得{x=1,y=-1,乙看错了第二个方程解得{x=-2,y=-6,求原方程组的解和A,B分析：甲看错了第一个方程说明他看对了第二个方程,乙看错了第二数学

1代入2Ax-By=-2得到

only with the hard word和by working hard_____can you expect to get a pay rise?为什么不可以用by working hard 英语

where is my pen oh,sorry.i have taken by miswhere is my penoh,sorry.i have taken by mistake 英语

一句外贸英语Temporary duty reduction or exemption shall be granted to goods approved by the Customs as temporary import and export goods and 英语

to bonded good

he went to school by underground yester -day（）（）he（）to school yesterday?对 by underground 提问英语

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