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say it in English! 20 - 1 = ...
twenty minus one is nineteen
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Okay!
say it in English! 20 - 7 = ...
twenty minus seven is thirteen
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Okay!
say it in english ! 20 - 5 = ....
twenty minus five is fifteen
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Okay!
what is 14 - 5?
it is 9
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what is 14 + 4?
it is eighteen
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Okay!
what is 9 + 6?
it is 15
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Okay!
what is 13 + 7?
it is 20
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Okay!
what is 15 - 2?
it is thirteen
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Okay!
what is 8 + 8?
it is 16
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Okay!
what is 7 + 4?
it is 11
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Okay!
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