Question

Пж помогите с математикой (:(/(:(:(:((:(/(/(:(:(:(:((:

Answer 1

Відповідь:

289: 1)x/36 = 17/36, 2) x/52 = 29/52, 3) x/90 = 51/90. 290: 1)x/4 = 3/4, 2)x/75 = 38/75, 3)x/48 = 31/48.

Покрокове пояснення:

289

1) x/36 - 2/9 = 1/4

x/36 = 1/4 + 2/9

x/36 = 9/36 + 8/36

x/36 = 17/36

2) x/52 - 4/13 = 1/4

x/52 = 1/4 + 4/13

x/52 = 13/52 + 16/52

x/52 = 29/52

3) 5/18 + 13/45 = x/90

25/90 + 26/90 = x/90

x/90 = 51/90

290

1) x/4 - 4/9 = 11/36

x/4 = 11/36 + 4/9

x/4 = 11/36 + 16/36

x/4 = 27/36

x/4 = 3/4

2) x/75 - 1/15 = 11/25

x/75 = 11/25 + 1/15

x/75 = 33/75 + 5/75

x/75 = 38/75

3) 5/16 + 1/3 = x/48

15/48 + 16/48 = x/48

x/48 = 31/48