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p/3 + 11 = 4(q/2 + 1)
p/3 + 11 = 2q+4
p/3 = 2q + 4 - 11
p/3 = 2q - 7
p = 3(2q - 7)
p = 6q - 21
p + 21 = 6q
p+21 / 6 = q
q = p+21 / 6 //

L = m/n + 1/m
L - 1/m = m/n
Lm-1 / m = m/n
n (Lm-1 / m) = m
n = m (m / Lm-1 )
n = m* / Lm-1 //

2006-12-01 02:16:17 補充：
問題2的答案 n = m² / Lm-1 //

p/3+11=4(q/2+1)
(p/3+11)/4=q/2 +1
[(p/3+11)/4]+1=q/2
(p/3+15)/4=q/2
(p/3+15)/2=q

L=m/n + 1/m
L - 1/m = m/n
n = m/ (L- 1/m )

What are you asking for?
Solve p or q ??????