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(Thường được cập nhật sau 1 giờ!)

bạn cần phải đổi mk và chụp bằng chứng rồi gửi cho cô nhé

uk thì nói với cô hoài cho tham gia lớp cô rồi nói cô để cô phê duyệt cho là được


Đại số

  1. Tìm \(x\):

\(\frac{x + 2}{3} + \frac{x - 1}{2} = 5\)

  1. Phân tích thành nhân tử:

\(x^{2} - 5 x + 6\)

  1. Tìm giá trị nhỏ nhất:

\(A = x^{2} - 4 x + 7\)

  1. Cho:

\(a + b = 5 , \&\text{nbsp}; a b = 6\)

Tính:

\(a^{2} + b^{2}\)

  1. Giải phương trình:

\(x^{2} - 7 x + 12 = 0\)

  1. Rút gọn:

\(\frac{x^{2} - 9}{x - 3} \left(\right. x \neq 3 \left.\right)\)

  1. Tìm \(x , y\):

\(\left{\right. x + y = 7 \\ x - y = 3\)


Hình học

  1. Cho tam giác vuông có hai cạnh góc vuông là \(6 c m\)\(8 c m\). Tính cạnh huyền.
\(a^{2} + b^{2} = c^{2}\) \(a\) \(b\) \(c = \sqrt{a^{2} + b^{2}} \approx 21.21\) \(a^{2} + b^{2} = c^{2} \approx 225.00 + 225.00 = 450.00\) abc
  1. Cho tam giác cân tại \(A\). Chứng minh hai góc ở đáy bằng nhau.
  2. Một hình chữ nhật có chiều dài hơn chiều rộng \(4 c m\), chu vi bằng \(28 c m\). Tính chiều dài và chiều rộng.
  3. Tính diện tích hình tròn bán kính \(5 c m\).

\(S = \pi r^{2}\)


Nâng cao hơn một chút

  1. Tìm số tự nhiên \(n\) biết:

\(n \left(\right. n + 1 \left.\right) = 56\)

  1. Chứng minh:

\(\left(\right. a - b \left.\right)^{2} \geq 0\)

  1. Tìm \(x\):

\(\sqrt{x + 1} = 5\)

  1. Cho:

\(x + \frac{1}{x} = 3\)

Tính:

\(x^{2} + \frac{1}{x^{2}}\)