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Why is 9 -1is 8 can some one help me because i dont understand why is not 10
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May 13, 2016
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Why is 9 -1is 8 can some one help me because i dont understand why is not 10
Mathematics
middle-school
Annie
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Its 8 because your not adding your subtracting.
Ahmed Eid
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May 16, 2016
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Ahmed Eid
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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.
Ryanbrill
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May 18, 2016
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