So sánh: 5^3 và 6^2 Tìm x: x+(-60)=90-60 nhanh nhé

viết một bài văn ngắn (khoảng 1-1,5 trang giấy)trình bày cảm nhận của em về một tác phẩm (thơ hoặc văn xuôi) viết về tuổi trẻ thời kì kháng chiến chống Mỹ mà em đã đọc.Từ đó,em có suy nghĩ gì về trách nhiệm của tuổi trẻ với đất nước ngày hôm nay?

Tìm giới hạn 1. lim [căn(9x^2 + 3x + 1) + 5x] x--> -vô cực 2. lim [căn(3x^2 + 1) - căn(3x^2 + 5x)] x--> -vô cực

Tìm giới hạn 1. lim [căn(2x^2x) - căn(2x^2+3)] x--> -vô cực 2. lim [căn(4x^2 + x + 1) 2x] x--> -vô cực

Multiple choices 1> At the time many ____ of The Seven Wonders of the Ancient World were no longer in existence. A/ sites B/ changes C/ sighs D/ homes 2> He was impressed by the ___ and charm of the building. A/ proof B/ treatment C/ beauty D/ trial 3> The _____ on the list of The Seven Wonders of the Ancient World were built much earlier than the Medieval Ages, but have been well known up to now. A/ heritages B/ structures C/ elections D/ candidates 4> In 2001 an initiative was started by New Open World Corporation (NOWC) to choose the New Seven Wonders of the World from a selection of 200 existing ____ for profit. A/ statistics B/ architects C/ designers D/ monuments 5> The Colossus of Rhodes was over 100 feet tall. This statue of ___ Greek Sun God was completed by the sculptor Chares in 280 BC. A/ a B/ an C/ the D/ no artical

Anh cj vẽ cho e hoa sen vs ạ màu hay không đều đc nhanh nha không e đi chơi đây

Tìm $k$ biết : $x^2$$+$$2x$+$1$ $=$ $5k$

Multiple choices 16> John Logie Baird _____ television. A/ said to have invented B/ was said to invent C/ is said to invent D/ is said to have invented 17> Penicillin ____ by Alexander Fleming. A/ was discovered B/ is said was discovered C/ is said discovered D/ said was discovered 18> Not much _____ about the accident since that time. A/ has been said B/ is said C/ is saying D/ will be said 19> It ____ that the whole village ____ by a heavy storm. A/ believed / was destroyed B/ was believed / destroyed C/ believed / destroyed D/ was believed / was destroyed 20> He _____ the last to leave the office yesterday. A/ is believed to be B/ is believed to have been C/ is believed was D/ believed to have been

Multiple choices 11> More and more animals ___ for their horns, skins, and bones. A/ report to be killed B/ reported to be killed C/ are reported to kill D/ are reported to be killed 12> ____ together with volcanic eruption. A/ It is said that earthquakes come B/ It was said that earthquakes come C/ Earthquakes are come D/ Earthquakes were come 13> Second-hand smoke ____ make people become ill. A/ is reported can B/ is reported to be able to C/ reported to be able to D/ report to be able to 14> They inform that English ____ at the meeting. A/ is speaking B/ will speak C/ will be spoken D/ has spoken 15> Smoking in public places ____. A/ hopes banning B/ hopes to ban C/ is hoped to ban D/ is hoped to be banned

Multiple choices 6> More and more tall buildings are ______ construction all over the world. A/ under B/ of C/ for D/ upon 7> ____, I found the picture of Egyptian Pyramids at Giza, which I took two years ago, in one of the drawers A/ Expected B/ Unexpected C/ Unexpectedly D/ Expecting 8> My father has worked for that ___ company for more than ten years. A/ construct B/ constructor C/ constructive D/ construction 9> There will be an official ___ ceremony of the New Seven Wonders of the World next month. A/ declare B/ declaration C/ declarative D/ declarer 10> Some of the world's natural disasters _____ overpopulation. A/ are partly caused by B/ caused partly by C/ are partly caused D/ partly caused by