So sánh hai số x, y trong mỗi trường hợp sau:

a) x + 3 > y + 3.

b) x – 4 < y – 4.

c) 2x – 3 ≥ 2y – 3.

A. a < b.

B. a > b.

C. a ≤ b.

D. a ≥ b.

A. \(\sqrt {2025} - \sqrt 5 > \sqrt {2024} - \sqrt 5 \).

B. \(\sqrt {2025} + \sqrt 5 < \sqrt {2024} + 2\).

C. \(\sqrt {2025} - \sqrt 5 > \sqrt {2025} - 2\).

D. \(\sqrt {2025} - \sqrt 6 < \sqrt {2025} - 3\).

A. a + 2024 < b + 2024.

B. 2a − 2023 > 2b − 2023.

C. −4a + 1 > −4b + 1.

D. −1 – 4a > −1 – 4b.

A. −2a + c < −2b + c.

B. a + 2c > b + 2c.

C. \(a\sqrt 2 \) + 2b < 2b + \(c\sqrt 2 \).

D. 3a – b > 3c – b.

A. \(\sqrt {11} - \sqrt 3 > \sqrt {10} - \sqrt 3 \).

B. 2023 + (−2²⁹) > 2022 + (−2²⁹).

C. \(\frac{{2024}}{{2023}} > \frac{{2025}}{{2024}}\).

D. \(\sqrt {17} + \sqrt {82} < \sqrt {13} + \sqrt {79} \).

A. 2a – 1 ≥ a + 2b – 1.

B. 4b + 4a ≥ 5a + 2b.

C. 4a + 2b ≥ 4b +3a.

D. 10b – 2 ≥ 5a – 2.