Question

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Answer 1

Bài 1:

a: A={x\(\in\)N|2<=x<=9}

b: B={x\(\in\)N^*|x\(⋮\)2; x<=20}

c: C={x\(\in\)N|x chia 3 dư 1; x<=25}

d: D={x\(\in\)N|x\(⋮\)2; 0<x<=104}

e: E={x\(\in\)Z⁺|x\(⋮\)5; x<=470}

f: F={x\(\in\)N^*|x\(⋮\)10; x<=500}

Bài 2:

a: A={x\(\in\)N^*|x<=5}

b: B={x\(\in\)N|x<=4}

c: C={x\(\in\)N|1<=x<=4}

d: D={x\(\in\)N|x\(⋮\)2; x<=8}

e: E={x\(\in\)N|x\(⋮̸\)2; x<50}

f: F={x\(\in\)N^*|x\(⋮\)11; x<=99}