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Kumpulan Soal SD, SMP, SMA

Rumus Permutasi

${_{n}P_{r}}= \frac {n!}{(n - r)!}$

Rumus Kombinasi

${_{n}C_{r}}= \frac {n!}{r!(n - r)!}$

Rumus Probabilitas

$P(A) = \frac {n(A)}{n(S)}$

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