wangweiye
/
mathdeptv2
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

修改B00209内容的一处错误

This commit is contained in:
wangweiye7840 2024-01-22 13:09:28 +08:00
parent fd86272bc6
commit dd5891b861
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
题库0.3/BasicKnowledge.json
View File

@ -1511,7 +1511,7 @@
"K0508002B",
"K0508003B"
],
"content": "向量夹角的坐标表示: $\\cos \\langle\\overrightarrow{a}, \\overrightarrow{b}\\rangle=\\dfrac{\\overrightarrow{a}\\cdot \\overrightarrow{b}}{|\\overrightarrow{a}||\\overrightarrow{b}|}=\\dfrac{x_1 x_2+y_1 y_2}{\\sqrt{x_1^2+y_1^2}\\cdot \\sqrt{x_2^2+y_2^2}}$\\."
"content": "向量夹角的坐标表示: $\\cos \\langle\\overrightarrow{a}, \\overrightarrow{b}\\rangle=\\dfrac{\\overrightarrow{a}\\cdot \\overrightarrow{b}}{|\\overrightarrow{a}||\\overrightarrow{b}|}=\\dfrac{x_1 x_2+y_1 y_2}{\\sqrt{x_1^2+y_1^2}\\cdot \\sqrt{x_2^2+y_2^2}}$."
},
"B00210": {
"lesson": "K0508",