Quanto é: 1/2 + 3/4?, A) 4/6, B) 5/4, C) 7/8, D) 2/3, Quanto é: 5/6 - 1/3?, A) 4/3, B) 2/6, C) 1/2 , D) 3/6, Quanto é: (-2/3) × (3/5)?, A) -6/15, B) -2/5, C) 6/15, D) 2/15, Quanto é: (4/5) ÷ (2/3)?, A) 8/15, B) 6/10, C) 12/10, D) 6/5, Quanto é: (-3/2)²?, A) -9/4, B) 9/4, C) -6/4, D) 3/4, Quanto é: 7/3 + (-2/3)?, A) 9/3, B) 5/3, C) 3/3, D) -5/3, Quanto é: (-4/5) ÷ (-2/5)?, A) -2, B) 2, C) 8/25, D) -8/25, Quanto é: 3/4 × 2?, A) 6/4, B) 3/2, C) 5/4, D) 1/2, Quanto é: (2/3) × (9/4)?, A) 18/12, B) 3/2, C) 11/7, D) 2/12, Quanto é: (5/2) - (3/4)?, A) 2/2, B) 1/4, C) 7/4, D) 8/4.

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