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Mathematics, 03.02.2020 15:59 clapoint2003p3chnu

which equations support the fact that rational numbers are closed under subtraction?

what are all the answers.

a. √8 − √8 = 0

b. 5√4 − √4 = 4√4

c. 4.5 − 0.5 = 4

d. 2√3 − √3 = √3

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