༒☬Từ Đăng Minh☬༒
Giới thiệu về bản thân
mới ctay ny còn lụy :/
chán ..........
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2025-11-10 21:25:50
2025-11-10 21:25:31
Gravity is the gravitational force exerted by the Earth (or a planet, celestial body) on objects.
2025-11-10 21:25:26
Gravity is the gravitational force exerted by the Earth (or a planet, celestial body) on objects.
2025-11-10 21:24:51
Trọng lực là lực hút của Trái Đất (hoặc một hành tinh, thiên thể) tác dụng lên các vật.
2025-11-10 21:22:55
- We invited a pop star to the chat show, but he didn't arrive.
-> The pop star was invited to the chat show, but he didn’t arrive. - He misbehaved in the class so the teacher asked him to go out.
-> The teacher asked him to go out because he misbehaved in the class. - The students wondered how they could carve figures of unicorns on the top of the box.
-> The students wondered how they were able to carve figures of unicorns on the top of the box. - Don't leave the computer on when you leave.
-> Turn off the computer when you leave. - They wanted to apologize for their behavior; that's why they paid for dinner.
-> They paid for dinner in order to apologize for their behavior. - When I was a child, I usually went to the local park every Saturday afternoon.
-> When I was a child, I used to go to the local park every Saturday afternoon. - The chef's secret recipe is only taught to his children.
-> The chef's secret recipe is only passed on to his children.
2025-11-10 21:19:06
Nhanh v cha, thiên tài đánh máy đây ròi
2025-11-10 21:14:03
1252−1242+1232−1222+…+32−22
Mỗi cặp:
\(a^{2} - b^{2} = \left(\right. a - b \left.\right) \left(\right. a + b \left.\right)\)\(\left(\right. 2 k + 1 \left.\right)^{2} - \left(\right. 2 k \left.\right)^{2} = 1 \times \left(\right. 4 k + 1 \left.\right) = 4 k + 1\)\(\sum_{k = 1}^{62} \left(\right. 4 k + 1 \left.\right) = 4 \times \frac{62 \times 63}{2} + 62 = 7874\)Đáp số: 7874
2025-11-10 21:12:01
um, mik cũng chúc bn ngủ ngon nha
2025-11-10 20:54:49
Nó bj lm sao ý
2025-11-10 20:54:29
Sao vậy bn