數學問題: 甚麼是consecutive number(连续數)?

Consecutive number(連續數)

e.g. 1,2,3,4,5......普通的連續數XD

複雜D

Consecutive odd number / Consecutive even number
(連續單數 / 連續雙數)

Consecutive odd number

e.g. 1,3,5,7,9......

Consecutive even number

e.g. 2,4,6,8,10......

consecutive number其實有D無用XD

consecutive number 通常用黎做應用題:

e.g. 2 consecutive even numbers epual to 50. Find the two numbers.
2個連續雙數之和等於50. 找出2數.

--通常我地會用方程:

Let the smaller number be x.
Let the larger number be (x+2)

x+(x+2)=50
2x+2=50
2x=48
x=24

∴The smaller is 24
The larger number is (24+2)=26.

That's all.XD