Report - 2 16 4 2 16 4 2 4 2 4 2 4 2 4 –––––– < 4 · < 1 ⇔ < < 4 ⇔ ⇔⇔⇔ ... 3 2 –––– 4 3 –––– 4 2 ... – 2 . 4! = 72 formas de montar as questões centrais,

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