19:26. 64,8 K/S LTE VE 4.56 43 126 84 84 0 б) 3 18,9:10,5.1- 7 13 66,69: 2,7-18 7 = 3 1) 18,9: 7 = 189.13 - 13 10 27.13 - 351 = 35,1; = 10 3 7 = 2) 10.5.1 = 105. 10 = 105 = 15; 3) 35,115 = 20,1; 7 4) 66,69: 2,7 = 666,9 : 27 = 24,7; 5) 24,718 = 6,7; 6) 20,1: 6,7 = 201 : 67 = 3. 666,9 27 54 24,7 126 108 189 189 0 Конец страницы

Решим пример по действиям:

1. \[18,9 : \frac{7}{13} = \frac{189}{10} \cdot \frac{13}{7} = \frac{27 \cdot 13}{10} = \frac{351}{10} = 35,1\]

2. \[10,5 \cdot 1\frac{3}{7} = \frac{105}{10} \cdot \frac{10}{7} = \frac{105}{7} = 15\]

3. \[35,1 - 15 = 20,1\]

4. \[66,69 : 2,7 = 666,9 : 27 = 24,7\]

          666,9 | 27
          -54   | 24,7
          ---
          126
          -108
          ---
          189
          -189
          ---
            0
         

5. \[24,7 - 18 = 6,7\]

6. \[20,1 : 6,7 = 201 : 67 = 3\]