`a) 2x^2y^3`
`+)` Hạng tử `2` có bậc là `0`
`+)` Hạng tử `x^2` có bậc là `2`
`+)` Hạng tử `y^3` có bậc là `3`
`=>` Đơn thức `2x^2y^3` có bậc là `0 + 2 + 3 = 5`
`b)`
`+)` Nhóm `1: 5xy^3`
`+)` Nhóm `2: 5x^2y^3; 11x^2y^3`
`+)` Nhóm `3: -4x^3y^2`
`a) -2x^2y^3`
Bậc của đơn thức là:`0+2+3=5`
`b)`Đơn thức đồng dạng:
Nhóm 1:`5xy^3`
Nhóm 2:`5x^2y^3` và `11x^2y^3`
Nhóm 3:`-4^3y^2.`
I. Choose the best answer to complete the sentences. 1. In La Tomatina,people get to throw tomatoes at (together/ once/ themselves/ each other) 2. A lot of dancers go to Rio de Jaineiro to (follow/ take / attend / play) the Rio Carnival. 3. The biggest prize of the competition is given (to/ for/ of/ with) the best player. 4. Please tell him to (turn on / turn up / turn over / turn off) at the meeting in time. He is always late. 5. The Imperial Academy was (use to educate/ used of educating/ used to educating/ used to educate) young men for the country. 6. We didn't win(although / because / in spite of / despite) we played better. 7. He forgot to give a (signal/ sign/ light/ hand) before he turned left and got a ticket. 8. In order to save energy, don't forget to (turn / turn on / turn off / turn of)the lights before you leave. 9. I found the book so (gripping/ boring/ tiring/ shocking) that I couldn’t put it down. 10. The (festive/ festival/ air/ tradition) atmosphere is felt around all the villages
Giải thích và chọn đáp án giúp mình vs ạ cảm ơn
mong mn giúp mình bài này với ạ tìm nghiệm nguyên pt: 3x^2+4y^2+12x+3y+5=0
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Gải pt a) `x^2` - `6xy` + `16x^2` - `2y` + `1` = `0`
Giải hộ mình câu 4 nhé Làm cả càng tốt ạ
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a, tìm x,y bt |x-3,5| : |y-1,3|=0 b,tìm x bt |x-3,4| : |2,6-x|=0
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