Break apart 123 to help you find
842
+
123
.Fill in the missing numbers.
842
+
123
=
842
+
+
20
+
3
=
+
20
+
3
=
+
3
=
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?