diff --git a/assets/json/math-game.json b/assets/json/math-game.json
index d2c80704..ee098198 100644
--- a/assets/json/math-game.json
+++ b/assets/json/math-game.json
@@ -13,12 +13,12 @@
 			"*"
 		],
 		"extreme": [
-			"-",
-			"*"
-		],
-		"impossible": [
 			"*",
 			"/"
+		],
+		"impossible": [
+			"/",
+			"^"
 		]
 	},
 	"difficulties": [