Make each of these numbers using only 4's, and the operations +, -, ÷ and ×. For detailed contest rules, see the "Fours" Contest Page
821 = |
822 = |
---|---|
823 = |
824 = |
825 = |
826 = |
827 = |
828 = |
829 = |
830 = |
831 = |
832 = |
833 = |
834 = |
835 = |
836 = |
837 = |
838 = |
839 = |
840 = |
Name :
Grade :
How many 4's did you use on this page ?