Đề kiểm tra giữa kỳ 1 Toán 8 năm 2025 — Trường THCS Quế Thuận, Đà NẵngMã đề A

$\displaystyle 6$

$\displaystyle xy + 1$

$\displaystyle x^2(-y)$

$\displaystyle 0$

$\displaystyle 2$

$\displaystyle 3$

$\displaystyle -7$

$\displaystyle 5$

$\displaystyle 5xy$

$\displaystyle 5xy^3$

$\displaystyle x^3y$

$\displaystyle -4x^2y$

$\displaystyle 3x^4$

$\displaystyle -3x^2y$

$\displaystyle -2x^3y$

$\displaystyle 2xy^4$

$\displaystyle 6x^2y^2$

$\displaystyle -6x^3y^2$

$\displaystyle -6x^2y^2$

$\displaystyle 6x^3y^2$

$\displaystyle 5$

$\displaystyle 6$

$\displaystyle 4$

$\displaystyle 3$

$\displaystyle A^2 + B^2$

$\displaystyle A^2 - B^2$

$\displaystyle (A-B)^2$

$\displaystyle (A+B)^2$

$\displaystyle A^2 + 2AB + B^2$

$\displaystyle A^2 - 2AB + B^2$

$\displaystyle A^2 + 2AB - B^2$

$\displaystyle A^2 + B^2$

$\displaystyle 360^\circ$

$\displaystyle 200^\circ$

$\displaystyle 180^\circ$

$\displaystyle 100^\circ$