tolong jawab nomer 14 pakai cara ya.... kalo bisa sama nomer 15
Matematika
rahmad9993
Pertanyaan
tolong jawab nomer 14 pakai cara ya....
kalo bisa sama nomer 15
kalo bisa sama nomer 15
1 Jawaban
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1. Jawaban rezamuktasib
no 15 : n-2+n+n+2 = 78
3n =78
n = 26
n-2 = 26-2 = 24
n = 26
n+2 =26 +2 = 28