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
0
Subtracting
Subtracting Numbers II
41
Click on the appropriate choice. When done, click on the submit button.
How many items total
3
-
3
=
1
-
1
=
4
-
4
=
3
-
1
=
4
-
2
=
4
-
3
=
5
-
4
=
5
-
5
=
5
-
5
=
4
-
1
=
5
-
2
=
2
-
2
=
5
-
1
=
5
-
3
=
3
-
2
=
5
-
3
=
5
-
4
=
2
-
1
=
5
-
1
=
5
-
2
=