5 năm trước cách đây · 0010cd5f9e
--- a/tutorials/math/img/tutovec10.png
+++ b/tutorials/math/img/tutovec10.png
--- a/tutorials/math/img/tutovec11.png
+++ b/tutorials/math/img/tutovec11.png
--- a/tutorials/math/img/tutovec12.png
+++ b/tutorials/math/img/tutovec12.png
--- a/tutorials/math/img/tutovec13.png
+++ b/tutorials/math/img/tutovec13.png
--- a/tutorials/math/img/tutovec14.png
+++ b/tutorials/math/img/tutovec14.png