1	9+	2/	5+
4
5+		8+	4/

Difficulty: Easy ()

7+	6*	8*
		5+
2/	4/		18*

Difficulty: Easy ()

7+	8+
	8+	7+
			7+
2/

Difficulty: Easy ()

4/	8+	6+
		9+
1-			3-
	2

Difficulty: Easy ()