5 birds are sitting on a tree. 2 of them flew away. How many birds will be left on the tree?
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A fish tank has 7 fishes. 2 of them have red fins and others have blue fins. How many fishes have blue fins?
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I have 8 dollars with me. I bought a toy car for 6 dollars. How many dollars I have left?
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Jean has 8 teddy bears. She gave 7 of them to her best friend. How many teddy bears does she now have?
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Karen watered 6 of the 7 plants. How many plants still need to be watered?
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