Question

Qual o valor de A) (-3/5).(-10/9) B)(-7/12):(+14/6) C)√4/9:√25/81 D)3 1/2 + 2 1/5

Answer 1

Resposta:

A) (-3/5)(-10/9)

30/45

10/15

2/3

B)(-7/12):(+14/6)

-7/12 × 6/14

-7/12 × 3/7

-21/84

-1/4

C)√(4/9) : √(25/81)

2/3 : 5/9

2/3 × 9/5

18/15

6/5

D)3 1/2 + 2 1/5

3 + 0.5 + 2 + 0.2

3.5 + 2.2

5.7

57/10

Espero Ter Ajudado !!