Vẽ cho mik một bức tranh ngôi nhà siu đẹp nha

a) (−4xy)(2xy^2−3x^2y) b) (−5x)(3x^3+7x^2−x).

Hãy trả lời câu hỏi sau : $ - $ Ở các đám cháy rừng, cây cổ thụ nào thường được ngọn lửa bốc nghi ngút ấy thiêu rụi $ ? $

tìm 5 câu có phép nhân hóa trong văn 6 và nêu tác dụng

Làm hết giúp mình đi ạ, làm hết hứa sẽ có ctlhn.

Chứng minh rằng A= 1/2^2 + 1/3^2 + 1/4^2 + 1/5^2 +⋯+ 1/10^2 <1 Giúp mình giải bài nha

bài 1 1.This is the largest ________ power station in our country. A. energy B. footprint C. hydro D. fossil fuel 2.He was advised to reduce his alcohol ________. A. consumption B. accommodation C. supersonic D. limited 3.This river has been ________ but people have to use water here in their daily lives. A. overcrowded B. eco-friendly C. polluted D. diverse 4.It's the fact that ________ energy sources such as oil and coal are being ________ day by day. A. non-renewable – flopped B. non-renewable – used up C. renewable – used up D. renewable – affected 5.________ are a convenient transport invention. I think they will be very popular in the future. A. Flying cars B. Driverless cars C. Automated cars D. All are correct. bài 2 1.Vietnam has fewer slums than India. Correct Incorrect 2.The population of Vietnam will be about 98 million in 2020, isn't it? Correct Incorrect 3.Everyone in your family can drive a car, can't they? Correct Incorrect 4.His transport invention is more interesting than hers. Correct Incorrect 5.People in the slums have fewer clean water than those in wealthy areas. Correct Incorrect bài 3 1.At this time next Saturday, I (attend) a meeting in Hue. 2.Wind energy (use) as a cheap, clean and effective source of energy in the future. 3.Do you think that solar energy (power) everything in the next 20 years? 4.My English teacher (give) a talk about protecting the environment at 8 a.m. next Monday. 5.I hope that metros (build) in Vietnam soon. # cần đáp án chính xác

children/should/spend/a litter/free time /on/phaying video games homework /tonight /i/do/lot/must /a/of well/plays/my brother/batminton play/shouldn'd/studens/time/for/video/games/long/a did/go/why/the/last/lan/to/dentist/day/? homework/tonight/we/do/lot/have/to/a/of skillfully/plays/mr.long//volleyball did/go /why /the/last/hoa/to/dentist/week/?

Cho hình chóp S.ABCD có đáy ABCD là hình vuông cạnh a, SA vuông góc (ABCD), SA=a căn6 a. Tính góc giữa SC và (ABCD) b. Tính góc giữa SC và (SAB) c. Tính góc giữa SC và (SBD)

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