Jawabanmu

2014-02-24T21:20:21+07:00
Lensa mata cembung..

Jawaban paling cerdas!
2014-02-24T21:26:45+07:00
1/s + 1/s' = 1/f
1/≈ + 1/-125 = 1/f
0 + 1/-125 = 1/f
f = -125 cm

P : 100/-125 = -0,8 dioptri
1 5 1