Question

заранее спасибо а)314-1целая 821+57 б) 1140: 1целую 726* 3539

Answer 1

3/14 - 29/21 + 5/7 = 9/42 - 58/42 + 30/42 = -19/42

Answer 2

б) 11/40 / 33/26 * 35/39 =

Answer 3

1 действие) 11/40 / 3326 = 11/40 * 26/33 = 1/40 * 26/3 = 26/120 = 13/60; 2действие) 13/60 * 35/39 = 13/12 * 7/39 = 91/468 = 7/36