Giới thiệu về bản thân
Chào mừng bạn đến với trang cá nhân của Nguyễn Ngọc Khuê
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2026-06-02 09:39:49
1. It's nine thirty eight.
2. There are two boys.
3. Yes, they are.
4. She is dancing.
5. She want some grapes.
2026-06-02 09:37:23
1. My birthday is in September
2. No, I can’t.
3. It's Tuesday
4. I watch TV on Sundays
5. I go to bed at ten thirty
2026-06-02 09:12:01
1. Ten twenty five
2. Yes she, can
3. He is from America
4. I listen to music on Sun days
5. I want some jams
6. It's in April
7. It's Thursday
8. I play chess on Mondays
2026-04-22 18:00:19
a) 2228655
b) 13265
2025-07-20 16:30:25
Đặt n = 2k+1 (k là số tự nhiên)
Ta có \(n^3\)= \((2k+1)^3\) = \(8k^3\) + \(12k^2\) + \(6k\) +1
là số lẻ.