Đề thi HK1 Toán 6 - Trường Marie Curie - Hà Nội -...

A Điểm O nằm ở giữa M và N. 

B Điểm M nằm ở giữa O và N.  

C Điểm N nằm ở giữa O và M.

D M, O, N thẳng hàng

A \(\begin{array}{l}a)\,\, - 70\\b)\,\,14\\c)\,\,0\end{array}\)

B \(\begin{array}{l}a)\,\, - 50\\b)\,\,15\\c)\,\,200\end{array}\)

C \(\begin{array}{l}a)\,\, - 50\\b)\,\,14\\c)\,\,400\end{array}\)

D \(\begin{array}{l}a)\,\, - 70\\b)\,\,15\\c)\,\, - 200\end{array}\)

A \(\begin{array}{l}a)\,\,x = 6\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,c)\,\,\left[ \begin{array}{l}x = 11\\x =  - 9\end{array} \right.\\b)\,\,x = 4\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,d)\,\,x =  - 1\end{array}\)

B \(\begin{array}{l}a)\,\,x = 6\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,c)\,\,\left[ \begin{array}{l}x = 9\\x =  - 9\end{array} \right.\\b)\,\,x = 3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,d)\,\,x =  - 1\end{array}\)

C \(\begin{array}{l}a)\,\,x = 6\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,c)\,\,\left[ \begin{array}{l}x = 11\\x =  - 9\end{array} \right.\\b)\,\,x = 3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,d)\,\,x = 1\end{array}\)

D \(\begin{array}{l}a)\,\,x = 6\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,c)\,\,\left[ \begin{array}{l}x = 9\\x =  - 9\end{array} \right.\\b)\,\,x = 4\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,d)\,\,x = 1\end{array}\)

A a) AB = 2cm

b) M không phải là trung điểm của OB

c) AC = 3cm

B a) AB = 5cm

b) M không phải là trung điểm của OB

c) AC = 3cm

C a) AB = 2cm

b) M là trung điểm của OB

c) AC = 4cm

D a) AB = 4cm

b) M là trung điểm của OB

c) AC = 4cm