BrainyTap Player - 減法運算
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減法運算
Well Done!
100%
Score
250
Time
250
Lives
250
Total Score
100
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減法運算
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<iframe width='640' height='480' src='//app.brainytap.com/activities/g18c/player/embed/' webkitallowfullscreen='' mozallowfullscreen='' allowfullscreen='' style='border:0'></iframe>
