Owl Egg
staying ahead wisely
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You have 20 minutes to finish this exercise
Name
Subject
Level
Section
Exercise
Lesson
Sample User
Math
1
Adding Numbers
Adding Three Numbers
122
Click on the appropriate choice. When done, click on the submit button.
What is the sum of the 3 numbers?
2
+
2
+
5
=
2
+
4
+
5
=
3
+
3
+
8
=
7
+
4
+
4
=
4
+
9
+
5
=
1
+
5
+
1
=
4
+
2
+
3
=
5
+
5
+
2
=
1
+
1
+
6
=
6
+
2
+
5
=
7
+
3
+
4
=
3
+
3
+
4
=
5
+
1
+
2
=
6
+
5
+
1
=
9
+
2
+
2
=
5
+
10
+
6
=
1
+
6
+
2
=
8
+
3
+
3
=
2
+
4
+
9
=
3
+
3
+
4
=
8
+
4
+
3
=
4
+
4
+
3
=
4
+
2
+
7
=
9
+
5
+
2
=
10
+
1
+
1
=
3
+
8
+
4
=
2
+
7
+
3
=
10
+
6
+
1
=
1
+
5
+
10
=
5
+
1
+
6
=