Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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thanks for you sharing. i like the mental multiplication very much.

thanks for the sharing. It do help me.

**sabah teh**- Replies: 7

I'm a maths teacher. I like maths very much

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