Question

решите пожалуйста по действиям

Answer 1

Ответ:

                                                                               

Пошаговое объяснение:

Answer 2

Ответ:

Пошаговое объяснение:

1.

1) 2 : 3/5 = 2 * 5/3 = 10/3 = 3. 1/3

2) 3/5 : 2 = 3/5 * 1/2 = 3/10

3) 1. 1/2 : 6 = 3/2 : 6 = 3/2 * 1/6 = 3/12 = 1/4

4) 6 : 1. 1/2 = 6 : 3/2 = 6 * 2/3 = 12/3 = 4

5) 3. 1/3 + 3/10 + 1/4 + 4 =

3. 20/60 + 18/60 + 15/60 + 4 = 7. 53/60

2.

1) 6. 1/4 * 8 = 25/4 * 8 = 25*2 / 1 = 50/1 = 50

2) 3. 2/3 * 5. 1/2 = 11/3 * 11/2 = 121/6 = 20. 1/6

3) 2. 2/5 * 4. 7/12 = 12/5 * 55/12 = 55/5 = 11

4) 50 - 20. 1/6 + 11 =

49. 6/6 - 20. 1/6 + 11 =

29. 5/6 + 11 = 40. 5/6

3.

1) 2. 1/2 * 48 = 5/2 * 48 = 5 * 24 / 1 = 120/1 = 120

2) 3. 2/3 : 1/18 = 11/3 : 1/18 = 11/3 * 18/1 = 11/1 * 6/1 = 66/1 = 66

3) 5. 5/12 : 7/36 = 65/12 * 36/7 = 65/1 * 3/7 = 195/7 = 27. 6/7

4) 120 - 66 + 27. 6/7 =

54 + 27. 6/7 = 81. 6/7

4.

1) 13. 1/2 : 1. 1/3 = 27/2 : 4/3 = 27/2 * 3/4 = 81/8 = 10. 1/8

2) 16. 1/2 * 1. 5/11 = 33/2 * 16/11 = 3/1 * 8/1 = 24/1 = 24

3) 19. 1/4 : 4/25 = 77/4 : 4/25 = 77/4 * 25/4 = 1925/16 = 120. 5/16

4) 10. 1/8 + 24 + 120. 5/16 = 34. 1/8 + 120. 5/16 = 34. 2/16 + 120. 5/16 = 154. 7/16