Tag Archives: sembilan

Kelipatan 9

Coba kalian perhatikan 9 × 2 = 18 = 1 + 8 = 9 9 × 3 = 27 = 2 + 7 = 9 : 9 × 784573 = 7061157 = 7 + 0 + 6 + 1 +1 … Continue reading

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