Tinh phan tu khoi 2Ca(H2PO4)2=? (NH4)2HPO4=?

Giúp mk với mk đang cần bài 3 nha

V. Đặt câu hỏi cho phần đc đánh dấu 1/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - She jogs '5 kilometers' a day. 2/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - It’s about '200 meters' from my school to the post office. 3/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - The dictionary is '200,000 dong'. 4/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - I’d like 'some local stamps and a phone card'. 5/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Tim is 'my pen pal in England'. 6/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - I need a phone card 'to phone my parents'. 7/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Mr. Viet is 'a farmer'. 8/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Lan often 'goes to the library' in her free time. 9/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - My mother 'is cooking' in the kitchen at the moment. 10/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Nam likes playing 'soccer' after school. 11/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - I go to the movies 'twice a month'. 12/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Hoa will be 'twelve' on her next birthday. 13/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - Nam’s favorite subject is 'Electronics'. 14/ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - The shoes cost '50,000 dong'.

a) Viết các số đo thể tích: Ba phần tám đề-xi-mét khối; Không phẩy chín trăm mười chín mét khối.

Không cần làm hết đâu ạ, chỉ cần làm 1 trong 3 bài là được

giúp ạ :( Tom didn’t learn hard enough to pass the final English exam. (Use the conditional sentence) If Tom______________________________________________________________.

tính bằng cách hợp lý nhất 36.23+62.23.46

Put the questions to the underlined parts in the following. 1. Linh is reading books in the library. >.............................................................? 2. The boys are playing in the garden. >.............................................................? 3. We mustn't drink and eat in the classroom. ->.........................................................................? 4. We sometimes stay up late on Saturday night. ->...............................................................................? 5. Many girls do aeribics at the weekend. ->..................................................................?

chỉ mik cách làm tobokki từ bột mì với

TÌm số mol của các lượng chất sau đây a, 8g NaOH b, 23,2g Fe3O4