98+105+101+97+100+102+99+98+104+96的简便方法
人气:464 ℃ 时间:2019-08-26 07:30:39
解答
简便计算:98+105+101+97+100+102+99+98+104+96
=(98+102)+(101+99)+(104+96)+(105+97+98+100)
=200+200+200+(105+95)+(2+98+100)
=200+200+200+200+200
=1000
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