ab＜0且a+b＞0,ac＞0且a+c＜0,化简a-b+|b-c|÷(ab－bc)急```````````````````````_数学解答

ab＜0且a+b＞0,ac＞0且a+c＜0,化简a-b+|b-c|÷(ab－bc)
急`````````````````````````````````````呐``````````

人气：188 ℃　时间：2020-04-05 06:36:46

解答

a+b>0
0>a+c
a+b>a+c
b>c
|b-c|=b-c
a-b+|b-c|/(ab-bc)=a-b+(b-c)/(ab-bc)
请仔细检查题目中是否掉了符号,化简到此已是最简