Question

4. Виконайте дії: -11/36+(-17/24) 2) 7/10+(13/15). 3)-2/9-5/18 4)-1/3 -(-5/6)​

Answer 1

1) -11/36 + (-17/24) = -22/72 + (-51/72) = -73/72 = -1 целая 1/72;

2) 7/10 + 13/15 = 21/30 + 26/30 = 47/30 = 1 целая 17/30;

3) -2/9 - 5/18 = -4/18 - 5/18 = -9/18 = -1/2;

4) -1/3 - (-5/6) = -2/6 + 5/6 = 5/6 - 2/6 = 3/6 = 1/2.