Question

mn giúp mik với ạ, mình cảm ơn

Answer 1

Bài 3:

\(A=\left\{3,4;-5,63;\sqrt{121};0,6;\dfrac{2}{5};\sqrt{64}\right\}\)

b: \(B=\left\{\sqrt{3};\sqrt{27}\right\}\)

Answer 2

Bài 2

\(\sqrt{841}=29;\sqrt{15}=3,8730;\sqrt{81}=9;\sqrt{70}=8,3670;\sqrt{625}=25;\sqrt{28}=5,2920;\sqrt{196}=14\)Bài 3

\(B=\left\{3,4;5,63;\sqrt{121};0,6;\dfrac{2}{5};\sqrt{64}\right\}\)

\(C=\left\{\sqrt{3};\sqrt{27}\right\}\)