单项选择题
A.10% B.15% C.20% D.25% E.30%
A.|x|-|x|<0 B.|x|+|z|<|y| C.|x-z|<2|y| D.|x-z|<|y| E.|y|+|z|<|x+y|
A.92% B.92.3% C.94.6% D.95.7% E.96%