Step by Step 3000. Book two. Unit 3. All can succeed. Part 1. Warming up. A. Keywords. imagination, win, opportunity, risk, like, success, other people, abilities, hard work. Vocabulary. prosper, shed light onto, be blessed with, positive, critically, interact. In this part, you are...
[答案]解:由题意可知:把 X 3 1代入 4x-by=-2,得,34+b=-2,b=10,把 =5 x y=4代入 2x+5y=15,得 2+5×4=15,a=- 1,∴ 2005 a2004+= 2005 00 -1) +(0 × 10= 1+1=0.[考点]代数式求值,二元一次方程组的解[解析][分析]根据甲看错了方程①中的a,将甲得到的方程组的解代入方程...
3.答案:被某人解析:by+动作执行者表示“被某人”,用在被动语态结构中。如:The book was written by Lu Xun.这本书是被鲁迅写的。4.4.【答案】1)by the window; 2) walk by; 3) learn... by heart; 4)by doing sth; 5)by 5 o'clock; 6)by sb.; 7)by bus【解析】1)by,介词,在......
1 Run, 3 Hits, 0 Errors GiantsBottom 7th C.J. Wilson pitching for LAA LAA SF Pagán singled to right. 1 1 Pagán to second on passed ball by Iannetta. 1 1 Posey lined out to right. 1 1 Maxwell flied out to right. 1 1 Susac singled to center, Pagán scored. 1 2 Susa...
Step By Step - 4-3-1-2 专辑: Finger Warm Ups 20 bpm 歌手:Step By Step 还没有歌词哦Step By Step - 4-3-1-2 / 已添加到播放列表 1 播放队列/1 1 4-3-1-2 Step By Step 01:12Mac版酷狗音乐已更新 就是歌多 详情 下载 ...
London, which was No.2, won't even be on the top 10. 那伦敦呢?伦敦曾经是第二,甚至都不会在前10了。 Its population in 1950, by the way, was about 10 million. 顺便提一下,1950 年的人口约为 1 000 万。 And why is this happening? 那为什么会这样呢? Why are people moving to the ...
则甲的解满足下面的式子:4×(-3)-b×(-1)=-2-12+b=-2b=10看错了方程中的b,解得x=5,y=4则乙的解满足上面的式子:a×5+5×4=155a+20=15a=-1原方程组为:-x+5y=15 (1)4x-10y=-2(2)2×(1)+(2)得,-2x+4x=30-22x=28x=14把x代入(1)得,-14+5y=15y=29/5即x=14,y=29/5 ...
Bussmann by Eaton Fuseblock; 600 V; 1/10 to 30 A; 2; 0.765; #10 to #14; Thermoplastic; Bronze; 94 型号:BC6032PQ 仓库库存编号:70149364 搜索 Bussmann by Eaton Fuseblock; 600 V; 1/10 to 30 A; 3; 0.765; #10 to #14; Thermoplastic; Bronze; 94 ...
1.0 IP, 0 H, 0 ER, 3 K, 2 BB White SoxTop 1st J. Grimm pitching for TEX CHW TEX A De Aza walked. 0 0 Pitch 1 Strike Looking 2 Ball 3 Ball 4 Foul Ball 5 Ball 6 Ball A De Aza to second on wild pitch by J Grimm. ...
试题解析:把 x=1 y=-2 代入方程ax-by=1,得到a+2b=1,因为a+b=-3,所以得到关于a和b的二元一次方程组 a+2b=1 a+b=-3 ,解这个方程组,得b=4,a=-7,所以5a-2b=5×(-7)-2×4=-35-8=-43.反馈 收藏