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计算绝对值|-1|+ |-2|+ |-3|+ |-4|+ |+ 5|+ |+ 6|+ |+ 7|+ |+ 8|
人气:300 ℃ 时间:2020-10-01 20:30:15
解答
|-1|+ |-2|+ |-3|+ |-4|+ |+ 5|+ |+ 6|+ |+ 7|+ |+ 8|
=1+2+3+4+5+6+7+8
=(1+8)*4
=36
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