In each of the following,make the letter in the square brackets the subject of the formula.
(a) p=(3V-RT)/(4T+V)-1     [T]
(b)1/y=(x-1)/(x+1)+1/z     [x]

要STEP,,
最後個Ans可以唔打出黎,,
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[ 本帖最後由 AH-Fu` 於 2006-12-27 10:58 PM 編輯 ]