计算:3/1+9/1+27/1+81/1+243/1+729/1+2187/1
主要要过程【必要时,加文字说明.说实话,是怕我看不懂啦.⊙﹏⊙b汗.】
人气:169 ℃ 时间:2019-09-21 06:19:40
解答
=(3+27)+(9+81)+(2187+243)+729
=30+90+2430+729
=3279
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