Tolong pakai cara ya makasih
Fisika
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Pertanyaan
Tolong pakai cara ya makasih
1 Jawaban
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1. Jawaban Eann
1/f = 1/s + 1/s'
1/f = 1/60 + 1/20
1/f = (1+3)/60 = 4/60
f = 60/4 = 15cm