Study=Don’t fail
Don’t study=fail
+
Study +Don’t study = don’t fail+fail
(1+Don’t )study = (1+Don’t )fail
Study = fail
نمایش نسخه قابل چاپ
Study=Don’t fail
Don’t study=fail
+
Study +Don’t study = don’t fail+fail
(1+Don’t )study = (1+Don’t )fail
Study = fail