Question

решите примеры с дробями
20 11/17 * 34

5 7/9*18

11 5/11*22

9 3/7*14

Answer 1

1. $20\frac{11}{17*34} =10* \frac{11}{17*17} =10* \frac{11}{289} = \frac{110}{289}$

2. $5 \frac{7}{9*18} =5* \frac{7}{162} = \frac{35}{162}$

3. $11 \frac{5}{11*22} = \frac{5}{22}$

4. $9 \frac{3}{7*14} =9* \frac{3}{98} = \frac{27}{98}$

 Кликни на лучший ответ :p

Answer 2

1)
20 11/17 • 34 = 351/17 • 34 = 351 • 2 = 702
2)
5 7/9 • 18 = 52/9 • 18 = 52 • 2 = 104
3)
11 5/11 • 22 = 126/11 • 22 = 126 • 2 = 252
4)
9 3/7 • 14 = 66/7 • 14 = 66 • 2 = 132