Maths Crossword

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Across
  1. 4. make the largest 6 digit number using 9,6,6,9,3,1
  2. 6. greatest 7 digit number
  3. 8. place value of 5 in 356072
  4. 9. how many 2 digit prime numbers are there
Down
  1. 1. Add 2112 and 2134
  2. 2. add 1000 to 523991
  3. 3. make smallest number by digits 5,8,3,1,4
  4. 5. 60-1
  5. 7. What is 1190-200