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Subtraction Facts Skill Builder
Subtraction Trainer
Subtraction Trainer
LEVEL 1-1
STREAK
0
SOUND: ON
0 - 0
Type or tap numbers. Press ENTER.
1
2
3
4
5
6
7
8
9
CLR
0
ENTER
SCORE: 0
COMBO x
1
(
0
)
CONGRATULATIONS! YOU WIN!
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