三个连续偶数的和是240,这三个偶数分别是_.
三个连续偶数的和是240,这三个偶数分别是______.
数学人气:929 ℃时间:2019-11-19 14:07:49
优质解答
①设中间那个偶数为x.列方程得:(x-2)+x+(x+2)=240 &nb...
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