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1234567891011121314+1+2+3+4……+100000=
人气:403 ℃ 时间:2020-06-20 08:42:51
解答
原式=1234567891011121314+(1+100000)*100000/2
=1234567891011121314+100001*50000
=1234567891011121314+5000050000
=1234567896011171314
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