Matematika

Pertanyaan

nomor 24 tolong sama caranya
nomor 24 tolong sama caranya

1 Jawaban

  • Kelas 9 Matematika
    Bab Statistika

    Nilai rata-rata
    = (18 . 82 + 2 . 72)/(18 + 2)
    = (1.476 + 144)/20
    = 1.620/20
    = 81

    ✩✩ B ✩✩