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OpenStudy (anonymous):
Help Which equations show that the set of whole numbers is not closed under subtraction? Choose all answers that are correct. A. 1 – (–2) = 3 B. 1 – 2 = –1 C. 2 – 0 = 2 D. 2 – 4 = –2
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OpenStudy (anonymous):
i looked it up on the computer and it said A.)
OpenStudy (anonymous):
only A. ?
OpenStudy (anonymous):
hold on i will go back and look
OpenStudy (anonymous):
okay thank you
OpenStudy (anonymous):
and c i think but if i'm wrong sorry
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OpenStudy (anonymous):
it's fine thanks for your help :)
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