修改目标K0826002X描述中的一处bug

2023-05-06 13:39:45 +08:00 · 2023-05-06 13:39:45 +08:00 · 2b973339b7
parent 56d326f870
commit 2b973339b7
1 changed files with 1 additions and 1 deletions
--- a/题库0.3/LessonObj.json
+++ b/题库0.3/LessonObj.json
@ -4032,7 +4032,7 @@
    "K0826002X": {
        "id": "K0826002X",
        "unit_obj": "D08005X",
-        "content": "经历推导方差的第二个计算公式$D[X]=\\mathrm{E}(X^2)-(E[X])^2$的过程."
+        "content": "经历推导方差的第二个计算公式$D[X]=E[X^2]-(E[X])^2$的过程."
    },
    "K0826003X": {
        "id": "K0826003X",