一个流生产案例

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已知a-2b=-3,求3(a-b)-3(3b-a)-3 题1,证明f(x) 一行数从左到右,一共2000个,任意相邻三个数的和都为20,第一个数为25,第9个数为2x,第2000个数为X-5X+5,求X 设m(x)是A的最小多项式,Q(x)是次数大于一得多项式怎样证明Q(x)可逆的充要条件是Q(x)与m(x)互素 lost in the forest.they were so hungry that they would eat_____could be founda anythingb whicheverc alld whatever选D .为什么A不行呢. 变形虫能吃掉大脑吗? 已知直四棱柱的底面是边长为a的正方形,高为h,体积为V,表面积等于S(1)当a=2,h=3时,分别求V和S (2)当V=12,S=32时,求2/a+1/h的值我理解力不好. 已知直四棱柱的底面是边长为a的正方形高为h体积为v表面积等于s当v=12,是=32时求2/a+1/h的值 已知直四棱柱的底面是边长为a的正方形,高为h,体积为V,表面积等于S.(1)当a=2,h=3时,已知直四棱柱的底面是边长为a的正方形,高为h,体积为V,表面积等于S.(1)当a=2,h=3时,分别求V和S.(2)当V=12, 设a.b是正整数,且a-b.3b.a+b(a>2b)构成一直角三角形边长,则这个三角形的任一边的长不可能是( )A12 B 13 C 14 D15 如果把直角三角形的三边都减少相同的长度,仍能构成三角形,则这个新的三角形的形状是 A锐角三角形 B直角三角形 C钝角三角形 D由减少的长度决定 以2a.2b.2c的长为边的三条线段能组成直角三角形吗?,为什么? Jack was hungry ,( )he ate nothing for ten hours 选择so but because I was so hungry that I ate__everything in my plate.A.almost B.hardly C.ever D.never jack was so l_____that he got a 6.I WAS ___HUNGRY THAT I ATE SIX BEEF BUYERS.A:AS B:SO MUCHC:TOO D:SO 唐朝的天文学家僧一行所处社会环境 僧一行测出本初子午线的长度,这标志这什么? 正六棱柱的高为h 底面边长为a 求全面积 我知道公式 但我不知道怎么求六棱柱的底面积也就是六边形的面积怎么求 求公式 1.已知正六棱柱的高为h,底面边长为a,求表面积.2.从长方体一个顶点出发的三个面的面积分1.已知正六棱柱的高为h,底面边长为a,求表面积.2.从长方体一个顶点出发的三个面的面积分别为6,8,12,求 1 1 1 1 1=11(加标点符号,使其成立) 已知三棱柱ABC-A1B1C1的地面长为√6的正三角形,侧棱垂直于底面,且该三棱柱的外接球的表面积已知三棱柱ABC-A1B1C1的地面长为√6的正三角形,侧棱垂直于底面,且该三棱柱的外接球的表面积为12π, 正六棱柱的底面边长为4,高为6,则他的外接球的表面积为 请问“吃光了所有的食物”词组是 eat up all the food 还是 ate up all the food 哪个是对的 吉姆刚才饿了,他把盘子里的食物吃光了.Jim was hungry so he__ __ __ __ __ on the plate just now.中间五个空怎么填! 由于他们非常饿,他们很快吃掉了所有的食物.As they were very hungry,they_______ ______all the food. 我和同学做了许多食品,我吃了很多东西.英文:I cooked some food with my classrooms and I ate__ ___ 党三大优良作风 The reason he is ill is( )he ate too much.A:due to B:since C:because D:that 47.The little boy ate a big meal he said he wasn't hungry. The little boy ate a big meal _ he said he wasn't hungry.A.if B.though C.because D...The little boy ate a big meal _ he said he wasn't hungry.A.if B.though C.because D.as He ate up all food on the table ,___________he said he wasn't hungry .A .and B.but c.though为什么不用and ,他吃光了所有的食物,然后他说他不饿!