These tiles represent the expression .
x
+
2
+
7
x
Which expression is equivalent to ?
x
+
2
+
7
x
8
x
+
2
9
x
+
1
9
x
2
x
+
7
ref_doc_title.
Jumping to level 1 of 1
Excellent!
Now entering the Challenge Zone—are you ready?
Now entering the Challenge Zone—are you ready?