要ｅｘａｍ...pls teach me naths........thx....5 mark

1. check their relationship with -
2. check their relationship with /

moreover
1.3.5.7.9....the number pattern is 2n-1
3,6,12,24....is 3x2^(n-1)

2007-12-27 16:10:15 補充：
finally pattern can be very difficultfor examplen^2 2n - 1 : 2,7,14,23,343n^2 - 5n -5 : -7,-3,7,23,45999n^99 88n^88 n^77 - n^10 10n - 99999 : ????

要睇下大家相差幾多喎
再睇下減玩可以徐幾多
就甘講好難明白

不過有咩可以mail我問

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