Exercice 64: B=7x8+9x(-9+3) C=(12,5-4) x (-5,8-4,2) D=1.... Pergunta de ideia dekvn78190

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Exercice 64: B=7x8+9x(-9+3) C=(12,5-4) x (-5,8-4,2)
D=12,5-4 x (-5,8)- 4,2