diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1 +0,0 @@
-# JavaScript
diff --git a/lesson01/task01.html b/lesson01/task01.html
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index 0000000..26143af
--- /dev/null
+++ b/lesson01/task01.html
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+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+</head>
+
+<body>
+    <script>
+        let Tc = prompt('Введите градусы по цельсию:')
+        let Tf = (9 / 5) * Tc + 32
+        alert('Температура по Фаренгейту: ' + Tf)
+    </script>
+</body>
+
+</html>
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diff --git a/lesson01/task03.html b/lesson01/task03.html
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index 0000000..73a05ce
--- /dev/null
+++ b/lesson01/task03.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+</head>
+
+<body>
+    <script>
+        let admin
+        let name = 'Василий'
+        admin = name
+        alert(admin)
+    </script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/lesson01/task04.html b/lesson01/task04.html
new file mode 100644
index 0000000..e8d664b
--- /dev/null
+++ b/lesson01/task04.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Document</title>
+</head>
+<body>
+    <script>
+        alert(1000+'108')
+    </script>
+</body>
+</html>
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