３ １
－－－－－ ｘ －－－－ ＝ －１
ｋ－４ ３
Ｑ：Ｋ值怎麼算？
2005-09-19 17:01:05 · 5 個解答 · 發問者 Anonymous in 教育與參考 ➔ 其他：教育
3跟3約掉1/k-4=-11=-k+4k=3
2005-09-19 17:04:08 · answer #1 · answered by Anonymous · 0⤊ 0⤋
嗯......就把3約掉~
變成
1
-------- X 1 = - 1
K - 4
所以~K=3
2005-09-19 17:04:55 · answer #2 · answered by Anonymous · 0⤊ 0⤋
那是-(3/K-4)*-(1/3)=-1嗎??
你是前面是不是有負號，我看不大出來…
2005-09-19 17:04:54 · answer #3 · answered by 別叫我女王 2 · 0⤊ 0⤋
3消調變成
K-4 X 1 = -1
K = 3
2005-09-19 17:04:52 · answer #4 · answered by 凌 4 · 0⤊ 0⤋
乘法想乘後得
3
-------------- = -1 ------->3=-1*(3K-12) -------->3= -3K+12 -------->-3K=-9 K=3
3K-12
2005-10-01 00:12:30 補充：
原PO的負號不明顯!!!!
2005-09-19 17:04:39 · answer #5 · answered by 呆呆 2 · 0⤊ 0⤋