Number75

1234567
Across
  1. 2. One fifth of 100
  2. 5. 23 + 23+ 21
  3. 6. The cube root of 27
Down
  1. 1. Two thirds of Twelve
  2. 2. 3 x (3 +4)
  3. 3. The cube root of 8
  4. 4. 74-69
  5. 7. If you divide a number by 2 the you will find this.