河南成教 / 河南理工大学
正确率:100%
2[单选题]
设=AH15.032m,=BH14.729m,=ABh( )m
A.-29.761
B.-0.303
C.0.303
D.29.761
设=AH15.032m,=BH14.729m,=ABh( )m
参考答案: