Bài 4. Tìm n biết: a ; 3 : n + 5 b ; - 3n + 2 : 2n + 1 a,b là chia hết nha Bài 5*. Tìm các số nguyên x và y sao cho: a ; ( x + 2 ) . ( y - 1 ) = 3 b ; ( 3 - x ) . (xy + 5 ) = - 1

I.tìm số nguyên x biết: a)-2017 ≤x ≤2018 b)a+3 ≤ x ≤a+2018(a ∈ N) II.Tìm x biết : a)461+(x-45)=387 b)11-(-53+x)=97 c)-(x+84)+213=-16 làm hộ mk cho 5* v câu trả lời hay nhất nha

Gạch chân lỗi sai trong các câu bị động dưới đây và viết lại câu đúng 1 My keys were find in the living room 2 Household rubbish is took a large dump 3 The local library located the local school 4 The chair was fixed with Jim 5 This fridge was bought in 2000 by my brother 6 The birthday cake was cutted into 8 pieces 7 The organization were founded in 1970 8 The streets are litter with rubbish 9 The old man helpe by his grandchildren 10 Many houses were destroyed in the food Các bạn giúp mk vs .Mk cảm ơn ạ

đặt câu vs từ vàng nghĩa chuyển

Giúo tui nha mng cảm ơn rất nhiều

Chọn âm khác: A. plays B. says C. days D. stays A. watched B. liked C. missed D. needed Giải thích vì sao chọn nữa nghen mấy bạn!

Cho tam giác ABC, I là giao điểm của 2 đường phân giác .Đt vuông góc vs CI tại I cắt AC và BC lần lượt ở M ,N.CMR:BM.IA=BI.NI

I. Choose the word whose underlined part is pronounced differently from the others. 1. a. actor b. painting c. anthem d. gallery 2. a. decide b. exciting c. exhibit d. organise 3. a. educated b. played c. recycled d. changed 4. a. cello b. choose c. kitchen d. concert 5. a. sugar b. closure c. share d. anxious II. Choose the odd one out. 1. a. music b. cello c. guitar d. drums 2. a. actor b. artist c. painting d. singer 3. a. cello b. violin c. saxophone d. guitar 4. a. jazz b. pop c. rock d. anthem 5. a. The Spice Girls b. Gangnam Style c. The Beatles d. ABBA III. Choose the best answer a, b, c, or d to complete the sentence. 1. His Jacket is almost the same colour __________ mine. a. with b. as c. to d. for 2. Water puppetry began __________ the 11th century. a.in b. on c.at d.from 3. The __________ is rather older now; however, his acting ability has never been better. a. composer b. actress c.artist d. actor 4. Janna can’t play the piano, and Carol can’t play it __________. a. either b. too c.neither d. as well 5. Juan and Patricia are not the same height Juan is __________ Patricia. a. as tall as b. not as tall as c. more tall than d. not tall than 6. Saxophones are used mainly for __________ jazz music. a. composing b. taking c.playing d. writing 7. I went to the 3D __________ last weekend. The paintings were excellent! a. movie theater b. concert hall c. opera house d.art museum 8. __________ I’m not a fan of country music, I thoroughly enjoyed his lively performance. a. Although b. Because c.As d. However 9. __________ does a water puppet show take place? ~ In a pool. a. What b. When c.How d. Where 10. Which is the national anthem of Vietnam? a. Tieu Doan 307 b.Chien si Viet Nam c. TienQuanCa d. Tienve Ha Noi

Tại sao quả bóng bàn đang bị bẹp (không bị thủng), khi nhúng vào nước nóng lại có thể phồng lên? giải giúp em

Giúp em câu này với ạ Tìm y: y²+7y+2=0