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You have 20 minutes to finish this exercise
NameSubjectLevelSectionExerciseLesson
Sample UserMath1Subtracting NumbersSubtraction Facts for 0, 1 and 2128

Click on the appropriate choice. When done, click on the submit button.
What is the difference between the 2 numbers?
1-1=
2-1=
2-2=
2-2=
0-0=
2-2=
0-0=
2-0=
2-0=
1-1=
2-0=
0-0=
2-1=
2-0=
2-2=
1-0=
2-1=
1-0=
1-0=
1-1=
0-0=
2-1=
1-0=
1-1=