Toán Lớp 7: 3,(18)….R
Z….R
O,8….Z
51…….N
-51…..Q
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Toán Lớp 7: 3,(18)….R
Z….R
O,8….Z
51…….N
-51…..Q
Comments ( 2 )
3,(18) ∉ R
Z ⊂ R
0,8 ∉ Z
51 ∈ N
-51 ∈ Q
3,(18) ∉ R
Z ⊂ R
0,8 ∉ Z
51 ∈ N
-51 ∈ Q
#Huy