32+31-30-29+28-26-25……+8+7-6-5+4+3-2-1
这个算式怎么简算?
人气:332 ℃ 时间:2020-04-14 07:32:17
解答
32+31-30-29+28-26-25……+8+7-6-5+4+3-2-1
=(32+31-30-29)+(28-26-25……+(8+7-6-5)+(4+3-2-1)
=4+4+4+4+4+4+4+4
=32
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