1. 648×475÷(1458-1306)=2025
2. (912÷114+6440÷23)÷16=18
3. 816×502÷(85117-84913)=2008
4. 288×703÷(405060-404916)=1406
1. 648×475÷(1458-1306)=2025
2. (912÷114+6440÷23)÷16=18
3. 816×502÷(85117-84913)=2008
4. 288×703÷(405060-404916)=1406