Math Is Fun Forum

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

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christianelviss
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El moco cervical cambia de consistencia durante el ciclo menstrual y desempeña un papel vital en la fertilización del óvulo Dias Fertiles De La Mujer

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