math crossword

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Across
  1. 4. two numbers that are the same
  2. 5. two numbers that arent the same
  3. 7. an expression with three additions or subtraction with at least 4 numbers
  4. 9. 87u+900-4 the 87 is called the
  5. 10. the symbol for a number that you dont know yet is called a
  6. 11. 87u+900-4 the 4 is called a
  7. 12. this is what the heighest exponent equals
  8. 14. an expression with one addition or subtraction with at least two number
  9. 15. 10x8=80 so 10 and 8 are ______ of 80
Down
  1. 1. 6x7 is called a s
  2. 2. this is when it shows that to equations are equal
  3. 3. a number
  4. 6. an expression in its original form is called
  5. 8. an expression without divison by a variable7
  6. 13. an expression with two additions or subtractions with at least three numbers