1=???????

1=1*1
1=1-0
1=10-9
1=100-99
1=1000-999
1=10000-9999
1=100000-999999
1=1000000-999999
1=10000000-999999
1=100000000-999999
.............................................................................................................................

2006-12-27 21:05:56 補充：
1=0+11=2-11=3-21=4-31=5-41=6-51=7-61=8-71=9-81=10-9

2006-12-27 21:11:42 補充：
1=(1+1)-11=(1+2)-21=(1+3)-31=(1+4)-41=(1+5)-51=(1+6)-61=(1+7)-71=(1+8)-81=(1+9)-9

2006-12-27 21:14:18 補充：
1=10-91=20-191=30-291=40-391=50-491=60-591=70-691=80-791=90-891=100-99........................

1=2-1
1=2-(+3)
1=2-(2-1)
1=1
1=9+(-8)

1=10/10
1=9/9
1=8/8
1=7/7
1=6/6
1=5/5
1=4/4
1=3/3
1=2/2
1=1/1
1=1

1=1*1
=1/1
=1^1
=1^1*1
=1*1^1
=1*1*1*1
.......

1=一或壹啊!