Kimtan has 5 black toy cars. He also has 7 white toy cars. How many cars does he have altogether?
Kimtan has 12 toy cars altogether.
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25
17___2=15
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10___6=4
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25
Mayya makes some butterfly knots. Mayya gives 7 butterfly knots to her friends. She has 9 butterfly knots left. How many butterfly knots did Mayya have at first?
Mayya had 16 butterfly knots at first.
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16____9=7
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Ben has 8 marbles. Fifa gives him 9 marbles. How many marbles does Ben have now?
