所有絕對(duì)值小于9.42的整數(shù)-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,
所有絕對(duì)值小于9.42的整數(shù)的和是0
-9*(負(fù)三分之一)+9/(負(fù)三分之一)+(負(fù)九)*(負(fù)三)
=9*1/3-9*3/1+9*3
=3-27+27
=3
所有絕對(duì)值小于9.42的整數(shù)的和是
所有絕對(duì)值小于9.42的整數(shù)的和是
-9*(負(fù)三分之一)+9/(負(fù)三分之一)+(負(fù)九)*(負(fù)三)
-9*(負(fù)三分之一)+9/(負(fù)三分之一)+(負(fù)九)*(負(fù)三)
數(shù)學(xué)人氣:189 ℃時(shí)間:2020-06-07 09:27:54
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