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4 votes
Why is 9 -1is 8 can some one help me because i dont understand why is not 10

User Annie
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2 Answers

5 votes
Its 8 because your not adding your subtracting.
User Ahmed Eid
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7.6k points
4 votes
Ah, the dash, this thing, - means subtraction, which is the opposite of addition, and takes away numbers. Meaning 9-1 is 9, but you count down by 1 rather than up one.
User Ryanbrill
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7.6k points