98 birds are sitting on a tree. 79 of them flew away. How many birds will be left on the tree?
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Ray has 72 crayons. 60 of them are in the green box and the others are in the red box. How many crayons are in the red box?
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Tim has 91 marbles. He gave 58 marbles to his dad. How many total marbles are left with Tim?
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Laura invited 91 friends to her birthday party. Only 52 friends came to the party. How many friends didn't came to Laura's party.
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James picked 81 strawberries from the farm and ate 75 of them. How many strawberries does James now have?
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