overline 15x nbspvdots 2 x in 02468 x in 0246 x in
A.\(x \in \left\{ {0;2;4;6;8} \right\}\)
B.\(x \in \left\{ {0;2;4;6} \right\}\)
C.\(x \in \left\{ {0;2;4} \right\}\)
D.\(x \in \left\{ {0;2} \right\}\)

overline 79x nbspvdots 5 x in 025 x in 5 x in 0
A.\(x \in \left\{ {0;2;5} \right\}\)
B.\(x \in \left\{ 5 \right\}\)
C.\(x \in \left\{ 0 \right\}\)
D.\(x \in \left\{ {0;5} \right\}\)

overline 10x7 nbspvdots 3 x in 147 x in 14 x in 4
A.\(x \in \left\{ {1;4;7} \right\}\)
B.\(x \in \left\{ {1;4} \right\}\)
C.\(x \in \left\{ {4;7} \right\}\)
D.\(x \in \left\{ {1;7} \right\}\)

overline 15x nbspvdots 2 x in 02468 x in 0246 x in
A.\(x \in \left\{ {0;2;4;6;8} \right\}\)
B.\(x \in \left\{ {0;2;4;6} \right\}\)
C.\(x \in \left\{ {0;2;4} \right\}\)
D.\(x \in \left\{ {0;2} \right\}\)

overline 79x nbspvdots 5 x in 025 x in 5 x in 0
A.\(x \in \left\{ {0;2;5} \right\}\)
B.\(x \in \left\{ 5 \right\}\)
C.\(x \in \left\{ 0 \right\}\)
D.\(x \in \left\{ {0;5} \right\}\)

overline 15x nbspvdots 2 x in 02468 x in 0246 x in
A.\(x \in \left\{ {0;2;4;6;8} \right\}\)
B.\(x \in \left\{ {0;2;4;6} \right\}\)
C.\(x \in \left\{ {0;2;4} \right\}\)
D.\(x \in \left\{ {0;2} \right\}\)

overline 10x7 nbspvdots 3 x in 147 x in 14 x in 4
A.\(x \in \left\{ {1;4;7} \right\}\)
B.\(x \in \left\{ {1;4} \right\}\)
C.\(x \in \left\{ {4;7} \right\}\)
D.\(x \in \left\{ {1;7} \right\}\)

overline 79x nbspvdots 5 x in 025 x in 5 x in 0
A.\(x \in \left\{ {0;2;5} \right\}\)
B.\(x \in \left\{ 5 \right\}\)
C.\(x \in \left\{ 0 \right\}\)
D.\(x \in \left\{ {0;5} \right\}\)

Cho| rmx nbsp+ nbsp23 |rm nbsp- nbsp12 = 0 Giá trị của
A.\({\rm{x  =  }}\frac{{\rm{1}}}{{\rm{6}}}\)  hoặc \({\rm{x  =  }}\frac{{{\rm{ - 7}}}}{{\rm{6}}}\)
B.\({\rm{x  =  }}\frac{{{\rm{ - 1}}}}{{\rm{6}}}\)  hoặc \({\rm{x  =  }}\frac{{\rm{7}}}{{\rm{6}}}\)
C.\({\rm{x  =  }}\frac{{{\rm{ - 1}}}}{{\rm{6}}}\)  hoặc \({\rm{x  =  }}\frac{{{\rm{ - 7}}}}{{\rm{6}}}\)
D.\({\rm{x  =  }}\frac{{\rm{1}}}{{\rm{6}}}\)  hoặc \({\rm{x  =  }}\frac{{\rm{7}}}{{\rm{6}}}\)

Kết quả của phép tính 15^327 là 120 125 130 135 Giải
A.120
B.125
C.130
D.135