From 67ce4b67f85707360a9c35dad3b3216dc4b33478 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=83=91=E5=93=B2=E8=88=AA?= <zzh18070015413@qq.com>
Date: Sun, 18 Jan 2026 23:04:28 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BA=86=E6=96=87=E4=BB=B6?=
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---
 一些有趣的线代题目.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/一些有趣的线代题目.md b/一些有趣的线代题目.md
index fb98978..2f2b23c 100644
--- a/一些有趣的线代题目.md
+++ b/一些有趣的线代题目.md
@@ -62,11 +62,11 @@ $$\text{rank}(A - E) =  k$$
 (1) ∵ $AB = 2A - B$
 
 $$
-\therefore (A - 2E)(B + E) = -2E
+\therefore (A + E)(B - 2E) = -2E
 $$
 
 $$
-\therefore (A - 2E)(B + E) = (B + E)(A - 2E)
+\therefore ( B - 2E)(A + E) = (A + E)(B - 2E)
 $$
 
 $$