Question

1) Calcule 1/4 + 3/2 * A) 4/6 B) 7/4 C) 3/4 D) 4/2 2) Calcule 1/8 + 1/4 * A) 2/12 B) 2/8 C) 3/8 D) 3/5 3) Calcule 3/4 - 2/5 * A) 1/9 B) 5/20 C) 5/4 D) 7/20 4) Calcule 2/3 + 4/3 * A) 4/6 B) 6/3 C) 6/6 D) 4/3 5) Calcule 3/5 - 4/10 A) 2/10 B) 7/10 C) 1/5 D) 7/5

Answer 1

Resposta:

1) 1/4 + 3/2 = 1 + 6 / 4 = 7/4 (Letra B)

2) 1/8 + 1/4 = 1 + 2 / 8 = 3/8 (Letra C)

3) 3/4 - 2/5 = 15 - 8 / 20 = 7/20 (Letra D)

4) 2/3 + 4/3 = 6/3 (Letra B)

5) 3/5 - 4/10 = 6 - 4 / 10 = 2/10 (Letra A)