Make each of these numbers using only 4's, and the operations +, -, ÷ and ×. For detailed contest rules, see the "Fours" Contest Page
| 661 = |
662 = |
|---|---|
| 663 = |
664 = |
| 665 = |
666 = |
| 667 = |
668 = |
| 669 = |
670 = |
| 671 = |
672 = |
| 673 = |
674 = |
| 675 = |
676 = |
| 677 = |
678 = |
| 679 = |
680 = |
Name :
Grade :
How many 4's did you use on this page ?