diff --git a/module3/exo3/analyse-co2_LL.pdf b/module3/exo3/analyse-co2_LL.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..33954023a2923695565d248ffc2aa6943bcfd74c
Binary files /dev/null and b/module3/exo3/analyse-co2_LL.pdf differ