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Bài 17: khoanh vào vào câu lời đúng

làm hộ em với ạ !!!!!!!!!!!!!!!

Giúp mình vs mai mình nộp rồi 😭 Mình cảm ơn ❤️❤️

Cho V lít CO2 (đktc) vào dung dịch chứa 0,4 mol Ca(OH)¬2 thu được 15g kết tủa. Tính V?

Giúp lm theo phương pháp quy đổi với ạ

line chỉ ra giấy trắng (bằng app cũng dc) ko cần tô màu, line = bút đỏ càng tốt (p3)

6. Mary said, “I have been here for a few days. ” Mary said 7. Mr. Pike said to Daisy, “I didn’t meet your father yesterday.” Mr. Pike said 8. “I must tell you about everything I found in this room,” said he. He said 9. “I am sick today,” said the boy. The boy said 10. The little girl said, “I was sick yesterday.” The little girl said 11. “My children don’t understand German,” said the woman. The woman said 12. She said to Mary, “I never forgot the good time we had last year.” She said to Mary

Rewrite each sentence in reported speech 1. Tom said, “My uncle died for my country in the war in 1975.” Tom said 2. The farmers say, “We hope it will stop raining tomorrow.” The farmers __________________________________________________________________________ 3. Our teacher said, “The Second World War broke out in 1939.” Our teacher said _______________________________________________________________________ 4. The doctor has said to Mary, “Your health will improve quickly.” The doctor has said to Mary ______________________________________________________________ 5. “I bought this car last year, but now I want to sell it”, said Bill. Bill said ______________________________________________________________________________

Rút gọn A A=(1+$\frac{x+\sqrt[2]{x}}{1+\sqrt[2]{x}}$)(1+$\frac{x-\sqrt[2]{x}}{1-\sqrt[2]{x}}$)