1-	1	10*	11+
	2			7+
720*			12+
1-

Difficulty: Medium ()

12+	10+	8+		4/
		1-	13+
5/			9+
7+

Difficulty: Medium ()

7+	8+		2/	5+
		7+
	2-		13+
12+		4/		6+

Difficulty: Medium ()

6*			8*	30*
15*	60*
		120*
1				4*
40*

Difficulty: Medium ()