Fun with Maths!

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Across
  1. 2. 956232100 divided by 100( Look for shortcuts)
  2. 6. Double of a number is 1,00,000. What is the half of that number?
  3. 7. write the following in standard form-700,000+50,000+2,000+30+2
  4. 11. 10x(103+3)+4x3
  5. 12. Difference of 9413205 from 17840926
Down
  1. 1. 2+3x6-1=?
  2. 3. Covert this roman numeral to the hindu-arabic numeral form-VICMLXXXIII
  3. 4. 12x100+3+4x3
  4. 5. Round 3518 to the nearest 1,000
  5. 8. (2+3)x(6-1)=?
  6. 9. Smallest 6 digit number formed by using all the given digits(with repetition) given- 6,7,0,2,4
  7. 10. Numeral form of Forty- six lakh eighty thousand five hundred seventy nine