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9. a. Is 3 {1, 2, 3}? b. Is 1 {1}? c. Is {2} {1, 2}? d.Is{3} {1, {2}, {3}}? e. Is 1 {1}? f.

9. a. Is 3 {1, 2, 3}?

b. Is 1 {1}?

c. Is {2} {1, 2}?

d.Is{3} {1, {2}, {3}}?

e. Is 1 {1}? f.

Is {2} {1, {2}, {3}}?

g. Is {1} {1, 2}?

h.Is1 {{1}, 2}?

i. Is {1} {1, {2}}?

j.Is{1} {1}?

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