以下句子是否有錯?
He often play football in football field
2.香煙由誰發明?
( 2x-8y+9)+[1+(3x+6y-2)]
怎樣解方程式
綜合問題以下句子是否有錯?
2006-12-25 2:03 am
回答 (3)
2006-12-25 2:30 am
答案:
(1) He often PLAYS football in football field.
(2) 誰發明香煙? (較簡潔)
(3) ( 2x-8y+9)+[1+(3x+6y-2)]
2x-8y+9+( +3x+6y-2)
2x-8y+9+3x+6y+1
5x-2y+10
5x=2y-10
x=(2y-10)/5
-2y=-5x-10
2y=(5x+10)/2
(1) He often PLAYS football in football field.
(2) 誰發明香煙? (較簡潔)
(3) ( 2x-8y+9)+[1+(3x+6y-2)]
2x-8y+9+( +3x+6y-2)
2x-8y+9+3x+6y+1
5x-2y+10
5x=2y-10
x=(2y-10)/5
-2y=-5x-10
2y=(5x+10)/2
參考: 個人經驗
2006-12-25 2:20 am
He often plays football in the football field
2.無問題
( 2x-8y+9)+[1+(3x+6y-2)]
2x-8y+9+( +3x+6y-2)
2x-8y+9+3x+6y+1
5x-2y+10
5x=2y-10
x=(2y-10)/5
-2y=-5x-10
2y=(5x+10)/2
2006-12-24 18:22:07 補充：
香煙是由誰發明?
2.無問題
( 2x-8y+9)+[1+(3x+6y-2)]
2x-8y+9+( +3x+6y-2)
2x-8y+9+3x+6y+1
5x-2y+10
5x=2y-10
x=(2y-10)/5
-2y=-5x-10
2y=(5x+10)/2
2006-12-24 18:22:07 補充：
香煙是由誰發明?
2006-12-25 2:15 am
ANS
(1)play - - - ->plays
(2)香煙是由誰發明?
(3)( 2x-8y+9)+[1+(3x+6y-2)]
=
miss the no. before (3x+6y-2)？
2006-12-24 18:29:06 補充：
Assume the question is correct,( 2x-8y 9) [1 (3x 6y-2)]( 2x-8y 9) [1 3x 6y-2] 2x-8y 9 3x 6y-1 5x-2y 8
(1)play - - - ->plays
(2)香煙是由誰發明?
(3)( 2x-8y+9)+[1+(3x+6y-2)]
=
miss the no. before (3x+6y-2)？
2006-12-24 18:29:06 補充：
Assume the question is correct,( 2x-8y 9) [1 (3x 6y-2)]( 2x-8y 9) [1 3x 6y-2] 2x-8y 9 3x 6y-1 5x-2y 8
收錄日期: 2021-04-18 20:52:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061224000051KK02941