Question

Giúp emm

Answer 1

13.

a)A={2,3,4,5,6,7,8,9}

b)B={0,1,2,3,4}

c)C={-3,-4,-5,-6,3,4,5,6}

d)D={5,6,7,...}

e)U={1,3,5,15}

f)X={2,3,5,7}

g)Z={12,24,36,48,...}

Answer 2

14.

a)A={-4,-5}

b)B={\(\varnothing\)}

c)C={-1,0,\(\dfrac{7}{3}\)}