Giải hộ mình bài này với. Mình cảm ơn

dẫn 16,8 lít khí h2 để khử hoàn toàn một oxit sắt thì thấy có 40 gam oxit đã bị khử cthh của oxit là

(X+y)(2x-y)+(2x-y)(3x-y)-(y-2x)tính nhân tử

tim gia tri nho nhat cua cac bieu thuc sau x^2+5x+196; (x+1)^2+(3x-4)^2

The research even (reports/describes) housework as thankless and unfulfilling Câu này nên chọn từ nào đây?

Give the correct word form • I saw your school’s ___________________ in those magazines. (advertise) • You shouldn’t end the letter so ___________________. (polite) • We would like to see your ___________________ in English. (improve) • Nam is one of top ten ___________________ in our English speaking contest. (examine) Công thức tính từ ghép : compound adj = N+V-ing , vd : fire-making contest : cuộc thi nhóm lửa, bull-fighting festival = bullfight : lễ hội đấu bò (tót) • My brother works for those magazines. He is a ___________________. (edit) • Give the correct verb form • We ___________ her since she ____________ her school. (not see – leave) • If the kitchen ___________ in the mess, you should ____________ it. (be – clean) • She told me that she ______________ her old car the following day. (sale) • You are driving very fast. I wish you ________________ so fast. (drive) • Mai and Phuong ________________ here since yesterday. (come) • If her mother ______________ home early, she can cook the meal. (return) • Many students in Nam’s school want ______________ a doctor in the future. (be) • Would you mind _____________ me with this work. (help) • He ______________ the road when I saw him yesterday. (cross) • In 18th century, jean cloth _______________ completely from cotton. (make)

Giúp mình câu 12 và câu 18 thôi ạ. Cảm ơn

Sắp xếp câu cho đúng: dog/this/eat/the/did/morning?/What Mong các bạn/anh/chị giúp với ạ!

when you are in Singapore you can go about (29)_____taxi by bus or by underground l myself prefers the underground(30)______It is fast easy and cheap there are (31)______buses and taxis in Singapore and one cannot driver along the road (32)______and without many stops especially on the Monday morning the underground is therefore usually quicker (33) _____taxis or buses if you do not know Singapore very well it is difficult (34)_______the bus you want you can take a taxi but it is (35)______expensive than the underground or a bus on the underground you find good maps that tell you the names of the station and show you how to get to them so that it is easy to find your way 31. when you are in Singapore you can go about (29)_____taxi by bus or by underground l myself prefers the underground(30)______It is fast easy and cheap there are (31)______buses and taxis in Singapore and one cannot driver along the road (32)______and without many stops especially on the Monday morning the underground is therefore usually quicker (33) _____taxis or buses if you do not know Singapore very well it is difficult (34)_______the bus you want you can take a taxi but it is (35)______expensive than the underground or a bus on the underground you find good maps that tell you the names of the station and show you how to get to them so that it is easy to find your way 29a.at b.in c.by 30a.but b.because c.when 31a.many b.a lot c.few 32a.quick b.quickly c.quicker 33a.so b.like c.than 34a.to find b.find c.finding 35a.less b.more c.most chỉ vs mn Giải thích nữa nhá!

một đoàn khách du lịch có 51 người, nếu đoàn khách đó đi bằng xe 7 chỗ thì họ cần ít nhất bao nhiêu xe như thế để chở hết cả đoàn người? mn làm hộ mik bài này mik đang cần gấp