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3个连续奇数的和是45这三个连续奇数是多少

更新时间: 2021-05-13 04:12:52     

1、三个连续奇数的和是45这三个奇数分别是:13,15,17。

2、解:设三个连续奇数的中间一个为x,则另外两个分别为x-2,x+2,由题意得x-2+x+x+2=45;3x=45;x=15;另外两个分别为15-2=13,15+2=17;故填13,15,17。

3、在整数中,不能被2整除的数叫做奇数。日常生活中,人们通常把正奇数叫做单数,它跟偶数是相对的。奇数可以分为正奇数和负奇数。奇数的数学表达形式为:

关键词: 连续 奇数 多少

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