F.1數學

2007-10-26 1:42 am

2,5,7,12,19,31
英文點寫？
例：1,10,100,1000,10000
thw 1st number is 1,next number is formed by multipaying 10 to the previous number.

回答 (2)

2007-10-26 1:49 am

✔ 最佳答案

The first number is 2 and the second number is 5. The next number is formed by adding the previous two numbers.

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2007-10-26 2:04 am

The 1st number is 2 ,and 2nd is 5,next number is formed by adding 2 to the previous two numbers.

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