cần trộn bao nhiêu lít dung dịch naoh 10M vào 100ml dung dịch naoh 0,5M để thu dc dung dịch naoh có nồng độ 2,5M

II. Find and correct the mistake. 1. I live in Tay Ho district, which there is a Water Park. __________ 2. The coat what is hanged over there is expensive. __________ 3. A friend of mine whose studies at ULIS, is willing to help others. __________ 4. I have to work on Saturday which almost my friends are free. __________ 5. My mom, whom is wearing a unique black coat, is a sympathetic person. __________ 6. The police found the picture whose was stolen last week. __________

lm cho mik câu e thôi nhé THANK YOU

làm 1 trong hai bài làm nhanh lên

Cho R1 = 3 ôm nối tiếp R2 = 30 ôm, Um =3V a. tính R tương đương, I1, I2,I b. mắc thêm r3 = 20 ôm // R2. tính R tuowng đương lúc này và I1, I2,I3, U1,U2,U3 vẽ cả hình nx ạ

IV. Write a sentence with wish for each situation: 1. My family usually went to the pagoda on the first day of the new year. Now we don’t do that anymore. I wish 2. There’s a handicraft exhibition in my school tomorrow but I can’t go because I’m still sick.  3. I’m going to my hometown for the summer holiday. But there isn’t Internet there so it will be boring.  4. Sometimes I want to come back to my childhood so that I can play traditional games with my friends.  5. Trung really likes the new speaker model, but it is too expensive for him to afford it.  6. You are driving too dangerously!  7. I used to suffer from school-bullying because I was weak and too shy.  8. I feel bored as I was born and grew up in a poor countryside.  9. We lost the match because we didn’t try our best.  10. My father said that he missed his first job regretfully. My father wished giúp mình giải gấp với ạ

vẽ mầm NL: Sao cậu vẫn chx nhận ra ? :<

Cho ABCD là hình thang vuông tại A và D đường chéo BD vuông góc với BC biết AD bằng 12cm , DC bằng 25cm. Tính độ dài AB, BC và BD

Cho a la góc nhọn và Cosa = $\frac{3}{4}$ hãy tìm Sina, Tana, và Cotga

35. What about eating some rice? → Let’s