必要不充分条件,懂么?

回答: 会看百分比就是educated?Uusequery2025-03-21 10:09:57

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会看绝对值也是必要不充分条件。一样的 -Uusequery- 给 Uusequery 发送悄悄话 (0 bytes) () 03/21/2025 postreply 10:18:47

Uneducated people may not know percentages, but that doesn’t -青雨紫烟- 给 青雨紫烟 发送悄悄话 青雨紫烟 的博客首页 (746 bytes) () 03/21/2025 postreply 10:26:17

The reality is, even "uneducated" people know both -Uusequery- 给 Uusequery 发送悄悄话 (39 bytes) () 03/21/2025 postreply 10:32:37

哈哈哈! -Sherryshen- 给 Sherryshen 发送悄悄话 (0 bytes) () 03/21/2025 postreply 13:02:29

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