Respuesta :

11. 1
13. 3/2
15. 3/4
17. No solution
19. 0.49

#11

  • 15/6 × 2/5 = 5/2 × 2/5 = 1

#13

  • 9/28 ÷ 3/14 = 9/28 × 14/3 = 3/2 = 1.5

#15

  • 5/8 ÷ 5/6 = 5/8 × 6/5 =6/8 = 3/4

#17

  • 3.74 ÷ 1.1 = 3.4

#19

  • 2.45 ÷ 5 = 0.49