tolong ya,pakai cara
Matematika
fasa17
Pertanyaan
tolong ya,pakai cara
1 Jawaban
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1. Jawaban linasabrina
rata rata =
(6×3 + 7×3 + 8×4 + 9×1 + 10×1)/(3+3+4+1+1)
= (18+21+32+9+10)/(12)
=(90)/(12)
=7.5