1. 急啊!!!!!!
一.连词成句
I taught to Jenny hit the ball.
Did your father go to the park yesterday ?
二.根据句意字母提示完成单词。
1.All of the boys in our class are on the football team.
2.The tiger played against the Lions yesterday evening.The game was very exciting.
3.Last term I got 98 score in the Engilsh exam .
4.Who won the game last night Lucy?
2. 我有急用啊!!!!!!
3. 急啊!!!!!!
1、60%-40%=20%
20/20%=100(千克)
2、6x/5=240
x=200
4. 急啊!!!!!!
第一题,(2x+3)
k=6
5. 急啊!!!!!!
6. 急啊!!!!!!
解:
(100×20)÷(50×50)=0.8(厘米),
0.4米= 40厘米,
40-0.8=39.2(厘米)
=0.392米
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7. 急啊!!!!!!
根号10-2
第六题,根据根号下的数值≥0,则1-8x≥0;8x-1≥0,则x=1/8;计算y=2/3,计算选C
8. 急啊!!!!!!
22、解:
∵2-x≥0,x-2≥0,∴x=2
y=4
原式=√2
23、解:
∵(x+1) 平方=2010
∴原式=2010+2=2012
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