Đáp án:
Giải thích các bước giải:
Bài 2 :
a,3√2x - 2√8x +√32x =4
<=> 3√2x - 4√2x +4 √2x =4
<=> 3√2x =4
<=> 2x=16/9
<=> x=8/9
b,bạn rút căn (x-2) ra chung xong quy đồng
C, làm tt câu b
Exercise III: Put the verbs in brackets in the present perfect or the present perfect continuous tense. 1/ I (try) __________ to learn French for years, but I (not succeed) __________ yet. 2/ She (read) _________ all the works of Dickens.How many (you read) _________ ? 3/ I (wait) __________ here nearly half an hour for my girlfriend; do you think she (forget) __________ to come? 4/ Mary (rest) __________ in the garden all day because she (be) __________ ill. 5/ Although John (study) __________ at the University for 5 years, he (not get) __________ his degree yet. 6/ Jack (go) __________ to Switzerland for a holiday. He (never, be) __________ there. 7/ We (live) __________ here for the last six months, and (just, decide) __________ to move. 8/ That book ( lie) __________on the table for weeks. You (not read) _________ it yet ? 9/ He (not be) ___________ here since Christmas; I wonder where he (live) __________ since then. 10/ He (lose) ___________ his books. He (look) ____________ for them all afternoon, but they (not turn up) ___________ yet. 11/ She (work) ___________ so hard this week that she (not have) ___________ time to go to the cinema. 12/ Your hair is wet. (You swim) __________ for a long time ? 13/ Bill is still a bad driver although he (drive)__________ cars for six years. 14/ You look very tired. (You work) __________very hard ? 15/ The phone (ring) __________ for 2 minutes, but I (not answer) __________ it yet.
giúp e bài 2 với ạ Em sẽ cho CTLHN
Giúp tui bài present continuous
Sắp xếp các từ xáo trộn 1.From/He/his/looks/father/diferen/ 2.Hoa/her/is/is/room/she/the guitar/now/in/and/playing/ 3.family/My/my/is/in/intelligent/most/the/brother/ 4.The/mother/farm/not/work/on/do/A 5.Tran phu/lives/at/Lan/20/street/ 6.doctor/see/you/the/should/ 7.My/anything/didn't/mother/buy/ 8.the/is/warm/spring/in/weather/ 9.going/we/to/are/Nha Trang/weekend/visit/?/next 10.fly/he/the/wants/kite/to MONG LM ĐÚNG HỚT TO IÊM TS NHÌU Đ=5* CAMON VÀ CTLHN SAI=1* K CAMON VÀ=BC
cho hình bình hành có diện tích đáy là 336m2 đáy là 24m .chiều cao hình bình hành đó là A 7m ;B 21M ; C 37m ; D 14m quãng đường từ nhà đến trường là 750m trên bản đồ tỉ lệ 1: 500000 hỏi quãng đường đó dài bao nhiêu mi li mét
Vẽ các App sau khi đc Anime việt hoá :))) giống kiểu dưới hình nhé , vẽ 2 app thì ko cần tô màu còn 1 app thì tô dùm mình nha , bên dưới chỉ là ảnh minh hoạ tranh thì các bn vẽ OC dùm mình , xin cảm ơn !!! Nhớ vẽ đẹp nha , ko vẽ digi, bn vẽ đc màu nước thì cho ctrlhn
Chọn một trong các đề nhé: + Vẽ Galaxy + Vẽ cảnh thành phố khi có tuyết/mưa + Vẽ khu rừng già Có màu nhé, thanks!
Complete the sentences with the verbs in the box corresponded , impress , prayed , comprises , divided , depends , separated , enloying 1. The living accommodation........three bedrooms, a kitchen, and a bathroom. 2. We've..........with each other for it's years, but I've never actually met, him 3. The chlidren were.........into three groups 4. The priest.......for the dying man 5. The sights of the city nevr fail to........foreign tourists. 6. She was......form her mother when she was three 7. Claire........her skiing holiday 8. Their future..........on how well they do in school
5 Tính nhanh 1/2 + 5/6 + 11/12 + 19/20 + 29/30 + 41/42 + 55/56 + 71/72 + 89/90
Tìm x: 1. -2.|x+3| + 1/2 = - 3/4 2. |x+1| - 5x = 3 3. |x-2| + 2|3+x| = 1
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến