1997 Mathematics Game 1997


Rules: You May only use the digits 1,9,9, and 7. You may use these digits in any order with the operations +, -, x, ÷, ^(raised to a power), square root, and factorial. Grouping symbols my also be used. Your answers must be written in the boxes above with no equal signs. Correct format: (1 + 9) x 9 + 7. Incorrect format: 1 + 0 = 10 x 9 = 90 + 7 = 97. Also, two digit numbers (such as 19, 91, 97, 99) may NOT be used.