Jawabanmu

Jawaban paling cerdas!
2014-05-25T17:11:49+07:00
1/f =1/s +1/s aksen
1/20 = 1/15 + 1/s aksen
1/s aksen = 1/20- 1/15
1/s aksen = 3/60-4/60
1/s aksen = -1/60
s aksen = -60 cm

sifat bayangan = diperbesar, tegak maya
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