khi nhân 3 với 1 số được tich là số 2 , các phép nhân đó là

A chứng minh tam giác AIE = tam giác AIB B AD VUÔNG GÓC BE C AB// EF

giúp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mọi người ơi giúp mik làm bài này với

tính nhanh a) 5x7x8x9x10/7x8x9x10x11 b) 3x145+3x55/6x215+6x85

Mankind’s unquenchable 1)______ for knowledge, our intrepid spirit and our unbridled imagination have helped us excel in leaps and bounds. They have been the 2)______ force behind many innovative discoveries and inventions Our success has undoubtedly empowered us and this has made us bold enough to set our 3)______ on the ultimate goal, that of eternal youth and perhaps, even eternal life. But how do we intend to transcend the theoretical limits placed upon us by the natural 4)______ of things? Well, we hope to harness the inherent 5)______ of stem cells. You see, stem cells are not just ordinary cells. They are the cells that have the capacity to develop into different cell types, and are capable of repairing as well as replenishing other cells 6)______ as long as the person or animal is alive. This 7)______ feat, if achieved, will have a profound impact on mankind as a range of practical applications will be made available to us. We will be in a 8)______ not only to do away with our body’s normal wear and tear, which may be likened to its natural tendency to self-destruct, but also to combat diseases that are, to date, our arch enemies. Keep in mind that stem cell research is still in its infancy and a daunting 9)______ lies ahead in our quest for enlightenment, for which we must exercise both prudence and patience. Of paramount importance in this quest is the application of moral restraints, which must act as a beacon in the 10)______.

Hỗn hợp X gồm 2 este đều no, đơn chức, mạch hở. Đun nóng 20,12 gam X với dd NaOH vừa đủ thu được hỗn hợp Y gồm 2 ancol kế tiếp (đem đốt cháy Y cần 0,435 mol O2 thu được CO2 và H2O) và 23,66 gam hỗn hợp Z gồm 2 muối, trong đó có a gam muối A và b gam muối B (MA<MB). Tỉ lệ a:b? Mình cảm ơn nhiều

👉Dịch đoạn văn sau thành tiếng Anh ( đúng ngữ pháp, không dùng Google dịch) "..." Không cần tặng bố mẹ những món quà cao sang bởi vì bố mẹ hiểu tự cần thiết của chúng ta là gì, đó chính là tình yêu và tinh thần, không phải những món quà hay vật chất, bố mẹ thích con cháu sum họp lại với nhau, đó là điều quan trọng nhất. Nói tóm lại mình nghĩ chúng ta nên có ngày của bố và ngày của mẹ. Bạn của bạn

x-2+88=0 (tìm x) so sánh 5^2 và 8^1 helpp mị <3

We live in an 1)______ dominated by an increasing dependence on technological innovations. It is for this reason that younger generations find it virtually impossible to imagine a 2)_______ without the convenience and comfort they provide us with. Small wonder 3)_______ that when asked to forecast what life will be like in the future, they come up with something that sounds as if it’s been 4)_______ out of a science-fiction book. But this description is actually not the product of an unbridled 5)_______. Based on the present speed at which breakthroughs are being made, it’s actually a fairly accurate prediction. It looks as if technology will have the 6)_______ hand, and in all likelihood, fully automated systems will substitute for people in all areas. People will take the back 7)_______ and instead of beavering 8)_______ at work we will be able to take advantage of the time made available to us to engage in more recreational activities. Utilising this time constructively will be a feat in 9)_______. Perhaps a care of too much of a good thing. Things might just come to the point where, from time to time, we will 10)_______ about the good old days.