-3. 2/3
Пошаговое объяснение:
1) 6 : 18/23 = 6 * 23/18 = 1*23 / 3 = 23/3 = 7. 2/3
2) 3/14 - 4. 13/28 =
6/28 - 4. 13/28 =
-4. 7/28 = -4. 1/4
3) 2. 2/3 * (-4. 1/4) =
8/3 * (-17/4) = 2/3 * (-17/1) = -34/3 = -11. 1/3
4) 7. 2/3 + (-11. 1/3) =
7. 2/3 - 11. 1/3 =
7. 2/3 - 10. 4/3 =
-3. 2/3
Пошаговое объяснение:
1) 6 : 18/23 = 6 * 23/18 = 1*23 / 3 = 23/3 = 7. 2/3
2) 3/14 - 4. 13/28 =
6/28 - 4. 13/28 =
-4. 7/28 = -4. 1/4
3) 2. 2/3 * (-4. 1/4) =
8/3 * (-17/4) = 2/3 * (-17/1) = -34/3 = -11. 1/3
4) 7. 2/3 + (-11. 1/3) =
7. 2/3 - 11. 1/3 =
7. 2/3 - 10. 4/3 =
-3. 2/3