题目内容
设a,b为满足ab<0的实数,那么 ( )
A. |a+b|>|a-b| B. |a+b|<|a-b|
C.|a-b|<|a|-|b| D. |a-b|<|a|+|b|
B
A.|a+b|>|a-b| B.|a+b|<|a-b|
C.|a-b|<||a|-|b|| D.|a-b|<|a|+|b|
A.|a+b|>|a-b| B.|a+b|<|a-b| C.|a-b|<|a|-|b| D.|a-b|<|a|+|b|
A.|a+b|>|a-b| B.|a+b|<|a-b| C.|a-b|<|a|-|b| D.|a-b|<|a|+|b|