làm hộ mình,mình cần gấp
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làm hộ mình nha mình cần gấp
làm hộ mình nha mình cần gấp 
làm hộ mình nha mình cần gấp
12 tháng 11 2021
Bây giờ mọi người chuẩn bị đi ngủ rồi mà còn gấp gấp làm cái quái gì?
Có lẽ phải để sáng mai.
HT
12 tháng 11 2021
Đúng rồi đó, lúc này thì đi ngủ là giải pháp tốt nhất để có sức khỏe tốt.
27 tháng 9 2021
a/ HĐT của đoạn mạch:
Ta có: \(U_{AB}=U_1=R_1.I_1=10.1,2=12\left(V\right)\)
b/ CĐDĐ I2 là:
Ta có: \(I=I_1+I_2\Leftrightarrow I_2=I-I_1=1,8-1,2=0,6\left(A\right)\)
Điện trở R2 là:
\(R_2=\dfrac{U_2}{I_2}=\dfrac{U_1}{I_2}=\dfrac{12}{0,6}=20\left(\Omega\right)\)
S
2 tháng 1 2023
Tham khảo:
I do not play many kinds of sports, but I love to go swimming. Swimming is just my hobby, but sometimes I also participate in some competitions at my school and local area. When I first went to the pool, I just simply wanted to know how to survive when we felt into water, and it gradually became my favorite thing to do in free time. It took me two weeks to finally floating and swimming for a couple of meters. Before that, I had to struggle very hard and drink a lot of water. However, once I could learn the right technique, swimming became so easy and relaxing. Besides the chance to survive, it can also have many other positive impacts on me. After swimming for about two years, I became taller than most of my friends at the same age. Besides, my muscles also be stronger and tougher, and now I can swim or run slowly for a couple of kilometers without being too tired. I usually go to the pool at the weekend, but if there is an upcoming competition, I have to practice for almost everyday. My strong point is swimming in short distance because I can swim pretty fast. Therefore, I usually sign up in the 100m and 200m categories. The time result is the one to determine the winner, and we need to train to become faster and faster after each competition. I have two bronze medals, two silver medals and one gold medals; my mother keeps them carefully in a glass cabinet, and I can say that they are my biggest pride. Swimming is not simply an activity, but it is both a surviving skill and a supporter for our health. I see many benefits of it, so I will always keep on swimming.