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共找到 6073 与5b-by 相关的结果，耗时1 ms
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
1.Jack has gone to school.（用by the time改写）Jack _______ ________ to school by the time I called him.2.The story was very interesting.I
英语
ould never for
已知关于x，y的二元一次方程组2ax+by=3ax-by=1的解为x=1y=-1，则a-2b的值是（）A.-2B.2C.3D.-3
数学
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