-845/4752
Пошаговое объяснение:
1) 3,5 / 4,8 = 3. 5/10 : 4. 8/10 = 35/10 : 48/10 =
35/10 * 10/48 = 35/48
2) 35/48 : 7/8 = 35/48 * 8/7 = 5/6 * 1/1 = 5/6
3) 5/6 : 4,4/3,9 =
5/6 : (4. 4/10 : 3. 9/10) = 5/6 : (44/10 : 39/10) =
5/6 : (44/10 * 10/39) =
5/6 : 44/39 = 5/6 * 39/44 = 5/2 * 13/44 = 65/88
4) 65/88 * 3. 1/4 =
65/88 * 13/4 = 845/352
5) 845/352 : (-13,5) =
845/352 : (-13. 5/10) =
845/352 : (-135/10) =
845/352 * (-10/135) =
-845/4752
Пошаговое объяснение:
1) 3,5 / 4,8 = 3. 5/10 : 4. 8/10 = 35/10 : 48/10 =
35/10 * 10/48 = 35/48
2) 35/48 : 7/8 = 35/48 * 8/7 = 5/6 * 1/1 = 5/6
3) 5/6 : 4,4/3,9 =
5/6 : (4. 4/10 : 3. 9/10) = 5/6 : (44/10 : 39/10) =
5/6 : (44/10 * 10/39) =
5/6 : 44/39 = 5/6 * 39/44 = 5/2 * 13/44 = 65/88
4) 65/88 * 3. 1/4 =
65/88 * 13/4 = 845/352
5) 845/352 : (-13,5) =
845/352 : (-13. 5/10) =
845/352 : (-135/10) =
845/352 * (-10/135) =
-845/4752