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Update index.md
author雷蒻 <34390285+hsfzLZH1@users.noreply.github.com>
Thu, 1 Aug 2019 11:24:05 +0000 (19:24 +0800)
committerGitHub <noreply@github.com>
Thu, 1 Aug 2019 11:24:05 +0000 (19:24 +0800)
commitbea69259444fe59ed1982f1a4ef70cb311684fbb
tree65a5a63af58c964cd85423f626c5c651ad71d705
parentcf7a23b09143cef7a537e4aec44658350a1eb861
Update index.md

提炼了下语言
docs/math/index.md