Make each of these numbers using only 4's, and the operations +, -, ÷ and ×. For detailed contest rules, see the "Fours" Contest Page
| 841 = |
842 = |
|---|---|
| 843 = |
844 = |
| 845 = |
846 = |
| 847 = |
848 = |
| 849 = |
850 = |
| 851 = |
852 = |
| 853 = |
854 = |
| 855 = |
856 = |
| 857 = |
858 = |
| 859 = |
860 = |
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Grade :
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