没学过负数悲剧啊!Determinewhethertheresultssofthefollowingexpressionsarepositiveornegativenumber.-2+8,-8+2,(+2)+(+8),(-2)+(-8),(-2)-(-8),(-2)×(+8),(-8)÷(-2)
没学过负数悲剧啊!
Determinewhethertheresultssofthefollowingexpressionsarepositiveornegativenumber.
-2+8,-8+2,(+2)+(+8),(-2)+(-8),(-2)-(-8),(-2)×(+8),(-8)÷(-2)