6. 7/11
Пошаговое объяснение:
1) 6/7 * 11. 2/3 = 6/7 * 35/3 = 2/1 * 5/1 = 10/1 = 10
2) -7. 1/7 + 10 =
-7. 1/7 + 9. 7/7 = 2. 6/7
3) 2. 6/7 : 10/21 = 20/7 * 21/10 = 2/1 * 3/1 = 6/1 = 6
4) 7/11 + 6 = 6. 7/11
6. 7/11
Пошаговое объяснение:
1) 6/7 * 11. 2/3 = 6/7 * 35/3 = 2/1 * 5/1 = 10/1 = 10
2) -7. 1/7 + 10 =
-7. 1/7 + 9. 7/7 = 2. 6/7
3) 2. 6/7 : 10/21 = 20/7 * 21/10 = 2/1 * 3/1 = 6/1 = 6
4) 7/11 + 6 = 6. 7/11