99x1=?
99x2=?
99x3=?
99x4=?
99x5=?
99x6=?
99x7=?
99x8=?
99x9=?
maths
2007-12-06 2:02 am
回答 (5)
2007-12-07 3:02 am
1.99(9x1x10+9x1)
2.198(9x2x10+9x2)
3.297(9x3x10+9x3)
4.396(9x4x10+9x4)
5.495(9x5x10+9x5)
6.594(9x6x10+9x6)
7.693(9x7x10+9x7)
8.792(9x8x10+9x8)
9.891(9x9x10+9x9)
2.198(9x2x10+9x2)
3.297(9x3x10+9x3)
4.396(9x4x10+9x4)
5.495(9x5x10+9x5)
6.594(9x6x10+9x6)
7.693(9x7x10+9x7)
8.792(9x8x10+9x8)
9.891(9x9x10+9x9)
參考: me
2007-12-06 2:15 am
99
198
297
396
495
594
693
792
891
198
297
396
495
594
693
792
891
2007-12-06 2:14 am
maths
99x1=99
99x2=100x2-2
=198
99x3=100x3-3
=297
99x4=100x4-4
=396
99x5=100x5-5
=495
99x6=100x6-6
=594
99x7=100x7-7
=693
99x8=100x8-8
=792
99x9=100x9-9
=891
99x1=99
99x2=100x2-2
=198
99x3=100x3-3
=297
99x4=100x4-4
=396
99x5=100x5-5
=495
99x6=100x6-6
=594
99x7=100x7-7
=693
99x8=100x8-8
=792
99x9=100x9-9
=891
2007-12-06 2:07 am
99
198
297
396
495
594
693
792
891
有規律嫁
198
297
396
495
594
693
792
891
有規律嫁
收錄日期: 2021-04-13 14:39:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071205000051KK02083