Jawaban:
Jumlah nilai : 18 × 75 = 1.350
Jumlah nilai 2 : 1.350+80+90 = 1.520
Rata² : 1520 ÷ 20 = 76
Semoga membantu
Tolong dikoreksi kalau salah
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Jawaban:
Jumlah nilai : 18 × 75 = 1.350
Jumlah nilai 2 : 1.350+80+90 = 1.520
Rata² : 1520 ÷ 20 = 76
Semoga membantu
Tolong dikoreksi kalau salah