Question

PERGUNTA 2
1. 2/3 + (1/4 ÷ 1/2)² - 1 * 1/5=

43/60

271/960

31/60

64/15

123/15

Answer 1

2/3+(1/4:1/2)²-1.1/5

2/3+(1/2)²-1.1/5

2/3+1/4-1.1/5

2/3+1/4-1/5

8+3/12-1/5

11/12-1/5

55-12/60
  
43/60     S:a