A.-1/4 B. 1/2 C.1/4 D.4A.-1/4 B. 1/2 C.1/4 D.4

admin2020-12-24 9

问题

选项 A.-1/4
B. 1/2
C.1/4
D.4

答案C

解析提示：

转载请注明原文地址:https://ti.zuoweng.com/ti/LBn0KKKQ

相关试题推荐

随机试题