751. (500:100).10 • 12 онд. 5 (56.9)+(99.9) 8 онд. 3 (864-800): 8 (345+289)-(481-199) 181.5

Ответ: (500:100) \cdot 10 = 50; 12 \cdot 5 = 60; (56 \cdot 9)+(99 \cdot 9) = 1485; 8 \cdot 3 = 24; (864-800): 8 = 8; (345+289)-(481-199) = 52; 181 \cdot 5 = 905.

1. \[(500:100) \cdot 10 = 5 \cdot 10 = 50\]

2. \[12 \cdot 5 = 60\]

3. \[(56 \cdot 9)+(99 \cdot 9) = 504 + 891 = 1395\]

4. \[8 \cdot 3 = 24\]

5. \[(864-800): 8 = 64:8 = 8\]

6. \[(345+289)-(481-199) = 634 - 282 = 352\]

7. \[181 \cdot 5 = 905\]

Ответ: (500:100) \cdot 10 = 50; 12 \cdot 5 = 60; (56 \cdot 9)+(99 \cdot 9) = 1485; 8 \cdot 3 = 24; (864-800): 8 = 8; (345+289)-(481-199) = 52; 181 \cdot 5 = 905.