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

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for teaching, figuring it out like

(2/3) / n = (3/4)

(2/3) /= (3/4) *n

(2/3) / (3/4) = n

n= (2/3) / (3/4)

n= (2/3) * (4/3)

n= (2*4)/(3*3)

n= 8/9

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