Make each of these numbers using only 4's, and the operations +, -, ÷ and ×. For detailed contest rules, see the "Fours" Contest Page
| 621 = |
622 = |
|---|---|
| 623 = |
624 = |
| 625 = |
626 = |
| 627 = |
628 = |
| 629 = |
630 = |
| 631 = |
632 = |
| 633 = |
634 = |
| 635 = |
636 = |
| 637 = |
638 = |
| 639 = |
640 = |
Name :
Grade :
How many 4's did you use on this page ?