正负数的算法过程.都忘了.求教(+8)+(+6)= (-6)+(+9)= (+14)+(-9)= (-6)+(-5)= (+2)+(-5)+(+3)= (+7)+(-5)+(+2)= (-5)+(-4)+(-6)=呃.顺便厚脸皮的希望哪个好心人能教
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![正负数的算法过程.都忘了.求教(+8)+(+6)= (-6)+(+9)= (+14)+(-9)= (-6)+(-5)= (+2)+(-5)+(+3)= (+7)+(-5)+(+2)= (-5)+(-4)+(-6)=呃.顺便厚脸皮的希望哪个好心人能教](/uploads/image/z/14788135-55-5.jpg?t=%E6%AD%A3%E8%B4%9F%E6%95%B0%E7%9A%84%E7%AE%97%E6%B3%95%E8%BF%87%E7%A8%8B.%E9%83%BD%E5%BF%98%E4%BA%86.%E6%B1%82%E6%95%99%EF%BC%88%2B8%EF%BC%89%2B%EF%BC%88%2B6%EF%BC%89%3D+%EF%BC%88-6%EF%BC%89%2B%EF%BC%88%2B9%EF%BC%89%3D+%EF%BC%88%2B14%EF%BC%89%2B%EF%BC%88-9%EF%BC%89%3D+%EF%BC%88-6%EF%BC%89%2B%EF%BC%88-5%EF%BC%89%3D+%EF%BC%88%2B2%EF%BC%89%2B%EF%BC%88-5%EF%BC%89%2B%EF%BC%88%2B3%EF%BC%89%3D+%EF%BC%88%2B7%EF%BC%89%2B%EF%BC%88-5%EF%BC%89%2B%EF%BC%88%2B2%EF%BC%89%3D+%EF%BC%88-5%EF%BC%89%2B%EF%BC%88-4%EF%BC%89%2B%EF%BC%88-6%EF%BC%89%3D%E5%91%83.%E9%A1%BA%E4%BE%BF%E5%8E%9A%E8%84%B8%E7%9A%AE%E7%9A%84%E5%B8%8C%E6%9C%9B%E5%93%AA%E4%B8%AA%E5%A5%BD%E5%BF%83%E4%BA%BA%E8%83%BD%E6%95%99)
正负数的算法过程.都忘了.求教(+8)+(+6)= (-6)+(+9)= (+14)+(-9)= (-6)+(-5)= (+2)+(-5)+(+3)= (+7)+(-5)+(+2)= (-5)+(-4)+(-6)=呃.顺便厚脸皮的希望哪个好心人能教
正负数的算法过程.都忘了.求教
(+8)+(+6)= (-6)+(+9)= (+14)+(-9)= (-6)+(-5)= (+2)+(-5)+(+3)= (+7)+(-5)+(+2)= (-5)+(-4)+(-6)=
呃.顺便厚脸皮的希望哪个好心人能教我这种类型题目的加减乘除算法.什么正正得正负负得正什么的全忘了.(─.─|||
正负数的算法过程.都忘了.求教(+8)+(+6)= (-6)+(+9)= (+14)+(-9)= (-6)+(-5)= (+2)+(-5)+(+3)= (+7)+(-5)+(+2)= (-5)+(-4)+(-6)=呃.顺便厚脸皮的希望哪个好心人能教
(+8)+(+6)= 14,
(-6)+(+9)=3,
(+14)+(-9)= 5,
(-6)+(-5)= -11,
(+2)+(-5)+(+3)= 0,
(+7)+(-5)+(+2)=4,
(-5)+(-4)+(-6)=-15
负数加减乘除的计算法则
加
负数1+负数2=-|负数1+负数2|=负数 负数+正数=符号取绝对值较大的加数的符号,数值取“用较大的绝对值减去较小的绝对值 ”的所得值
减
负数1-负数2=负数1-|负数2| =符号取绝对值较大的加数的符号,数值取“用较大的绝对值减去较小的绝对值 ”的所得值
负数-正数=-|正数+负数|=负数 异号两数相减,等于其绝对值相加
乘
负数1×负数2=|负数1×负数2| =正数 负数×正数=-|正数×负数| =负数
除
负数1÷负数2=|负数1÷负数2| =正数 负数÷正数=-|负数÷正数| =负数