1.- Add two straight lines, longer than those below, to this letter M to leave a different letter.
2.- Which figure comes next in this series?
Choose from:
17 3.- What is the volume of this crystal?
1.- Add two straight lines, longer than those below, to this letter M to leave a different letter.
2.- Which figure comes next in this series?
Choose from:
17 3.- What is the volume of this crystal?