Question

ПОМОГИТЕ ПОЖАЛУЙСТА!!(╥﹏╥)♡♡
Выполните действия.
2)1 5/7–4 3/13: 1 19/26;
4)47/48:3 13/27–13/16;
​

Answer 1

Ответ:   2.  -46/63.

4.   -17/32.

Объяснение:

2.  1 5/7–4 3/13: 1 19/26=-46/63;

1)  4 3/13 : 1 19/26= 55/13 : 45/26 = 55/13*26/45 = 22/9;

2)  1 5/7 - 2 4/9 = 12/7-22/9=108/63 -154/63 = -46/63.

------------

4.  47/48:3 13/27–13/16=;

1)  47/48:3 13/27 = 47/48:94/27=47/48*27/94=9/32;

2)  9/32 - 13/16 = 9/32 - 26/32 = -17/32.