Đề thi chính thức vào 10 môn Toán Trường Phổ Thông...

A a) \( A=21\sqrt{3}\)

b) \( B=4.\)

B a) \( A=21\sqrt{3}\)

b) \( B=5.\)

C a) \( A=2\sqrt{3}\)

b) \( B=4.\)

D a) \( A=21\sqrt{2}\)

b) \( B=4.\)

A a) \(S=\left\{ -3;\ 2 \right\}.\)     b) \(S=\left\{ \sqrt{2} \right\}.\)

c) \(S=\left\{ -3;\ 0;\ 3 \right\}.\)     d)  \(\left( x;\ y \right)=\left( 2;-1 \right).\)

B a) \(S=\left\{ 1;\ 2 \right\}.\)     b) \(S=\left\{ \sqrt{3} \right\}.\)

c) \(S=\left\{ -4;\ 0;\ 3 \right\}.\)     d)  \(\left( x;\ y \right)=\left( 2;-1 \right).\)

C a) \(S=\left\{ 1;\ 2 \right\}.\)     b) \(S=\left\{ \sqrt{3} \right\}.\)

c) \(S=\left\{ -3;\ 0;\ 3 \right\}.\)     d)  \(\left( x;\ y \right)=\left( 2;-1 \right).\)

D a) \(S=\left\{ 1;\ 2 \right\}.\)     b) \(S=\left\{ \sqrt{3} \right\}.\)

c) \(S=\left\{ -3;\ 0;\ 3 \right\}.\)     d)  \(\left( x;\ y \right)=\left( 3;-1 \right).\)

A \(m\ge -2,\ \ m\ne 3\)

B \(m\ge -3,\ \ m\ne 1\)

C \(m\le -2,\ \ m\ne 1\)

D \(m\ge -2,\ \ m\ne 1\)

A 40 km/ h.

B 50 km/ h.

C 45 km/ h.

D 42 km/ h.

A \(AH=\frac{13}{5}(cm).\)

\({S}_{ABC}=3(c{{m}^{2}})\)

B \(AH=\frac{12}{5}(cm).\)

\({S}_{ABC}=3(c{{m}^{2}})\)

C \(AH=\frac{12}{5}(cm).\)

\({S}_{ABC}=6(c{{m}^{2}})\)

D \(AH=\frac{2}{5}(cm).\)

\({S}_{ABC}=5(c{{m}^{2}})\)

A \(\frac{169\sqrt{2}}{64}.\)

B \(\frac{159\sqrt{3}}{64}.\)

C \(\frac{129\sqrt{3}}{64}.\)

D \(\frac{169\sqrt{5}}{64}.\)