2007-01-18 11:31:21 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
36
36 is, in fact, the only one.
2007-01-18 11:36:17 · answer #1 · answered by roynburton 5 · 2⤊ 0⤋
1. Let x be the hugher digit, y the other; the number is z=10x+y.
2. z=10x+y=2xy or y=10x/(2x-1), since x is the higher digit.
3. Starting with x=9, working down x to get an integer y, the additional condition.
4. The largest integer x is 3. y=6. z=36.
2007-01-18 20:01:11 · answer #2 · answered by Universal Permanent Number 1 · 0⤊ 0⤋
18
2007-01-18 19:59:06 · answer #3 · answered by alpha 7 · 0⤊ 0⤋
36
36/2 = 18
3 * 6 = 18
2007-01-18 19:49:49 · answer #4 · answered by Hott Mama 3 · 0⤊ 0⤋
00 + 00 = 00
2007-01-18 19:34:38 · answer #5 · answered by mohd faiz hassan 1 · 0⤊ 0⤋
00? WOW!!!
2007-01-18 19:34:24 · answer #6 · answered by AD 4 · 0⤊ 0⤋