assunta2007 assunta2007 27-08-2020 Mathematics contestada C. Write the value of the expression on the blank. 1. 1-561 = 2. I+181 = 3. 1+751 = 4. I+311 = 5. 1+571 = 6. I+831 = 7. 1-3451 = 8. 1-5981 = 9. l-1121 = 10. I-1431 =