Trung bình cộng của 3 số là 85. Nếu thêm 1 chữ số 0 vào bên phải số thứ hai thì được số thứ nhất, nếu gấp 4 lần số thứ hai thì được số thứ ba. Tìm ba số đó

một cái giếng hình tròn có đường kính 0,8m thành giếng rộng 0,2 m tính diện tích thành giếng

Mik đang cần gấp Giúp mik với nhá

tại sao căn bậc 2 của 160.8,1 lại bằng căn bậc 2 của 16.81?????

EXERCISE 12: Change the active into the passive. The waiter refilled my glass. My secretary will notify you next week. Is a student pilot flying that airplane? Alan's knowledge about art doesn't impress me. People throw away billions of cans every year all over the world. D.E. Hughes invented microphone in 1878. Do people speak Spanish in Brazil? Someone will list my name in the new telephone directory. A plumper is going to fix the leaky faucet. Someone has changed the name of this street. Elias Howe invented the sewing machine in 1845. The librarian didn't allow Tom to take those books home. The teachers won't teach knowledge on recycling tomorrow. Hoi An attracts a lot of tourists. Did all students attend first-aid course last year. Farmer can milk cows twice a day. The nurse taught Hoa how to give fist-aid on the phone. When I came, he was repairing the computer We will grow a lot of trees in the parks. They are painting the living room light blue. People have developed many different paper products. He asked us many difficult questions. They must widen the road soon. She advised me to reuse milk bottles. My sister cleans these rooms everyday. Wastes have caused a lot of pollution. When does he usually do his homework? My father planted this tree. He hasn't collected the rubbish. Are people using recycled paper? They made us work hard every day. How can we keep our fields in good condition? John used to ask his father a lot of question when he was a child. He said he would return the book next week.

giúp mk nha.mk vote 5* cho ctlhn

2 ô tô chạy cùng chiều ô tô thứ nhất khởi hành từ A lúc 7:30 với vận tốc 42 km h ô tô thứ hai khởi hành từ B lúc 9 với vận tốc 36 km h a và b cách nhau 90 km Hỏi đến 10:15 thì hai xe cách nhau bao nhiêu km

Vẽ hạt mầm nha..................

nhanh nha :))))))))))))))))))))))))))))))))))))))))))))))))))))))

Vẽ trà sữa digi NL: Nhớ cute á :33