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Saca el factor común y, después, escribe el resultado de las siguientes expresiones.
• (- 5) x (8) + (- 12) x (- 5)
• (27 + 5) x (- 20) + (- 60) x (27 - 5)
※(-10)x3x7+14x(-10)x5
-= (9 + 4) x 5 - (- 18) x (9 + 4)