Make each of these numbers using only 4's, and the operations +, -, ÷ and ×. For detailed contest rules, see the "Fours" Contest Page
| 641 = |
642 = |
|---|---|
| 643 = |
644 = |
| 645 = |
646 = |
| 647 = |
648 = |
| 649 = |
650 = |
| 651 = |
652 = |
| 653 = |
654 = |
| 655 = |
656 = |
| 657 = |
658 = |
| 659 = |
660 = |
Name :
Grade :
How many 4's did you use on this page ?