Rút gọn P: P=15√x-11 3√x-2 2√x+3 ———— + —— - ——— x+2√x-3 1-√x 3+√x Giúp em với ạ

giúp mk với. cho mk câu trả lời và cách làm nhé : 1: viết các biểu thức sau thành các đa thức: a/ 1/4.x mũ 2 + 2x.y mũ 2 + 4y mũ 4

12 x ^2 y^ 2 z -8 xy^2 z^2 -0,1 y^2 z^3

mik đang cần gấp lắm,làm hộ mik pls ai xong mik cho 5 sao luôn (chỉ cần bài 3,bài 4 thui)

hộ em với ạ :

Biểu diễn số hữu tỉ -2/5 ; -3 ; 1/2 trên trục số

IX)-Choose the word or phrase among A, B, C or D that best fits the blank in the following passage. My village is about 50 kilometers from the city center. It is a very (60)_________ place where people (61)_________ flowers and vegetables only. It is very famous of its pretty roses and picturesque scenes. The air is quite fresh, however, the smell of the roses make people (62)___________ cool. In spring, my village looks (63)____________ a carpet with plenty of colors. Tourists come to visit it so often. Nowadays, with electricity, it doesn’t take the villagers much time (64)___________ the roses. 60. A. beauty B. beautiful C. beautify D. beautifully 61. A. plant B. plants C. grow up D. grows up 62. A. feel B. feeling C. felt D. to feel 63. A. as B. like C. alike D. same 64. A. water B. watering C. to water D. watered

1. The teacher is …….. a story to the class. A. telling B. to tell C. tells 2. There …..any books on the table yesterday A. was B. weren't C. are 3. Linda is reading a letter ……… her pen friend. A. from B. of C. to 4. My sister is a ……… at a general hospital. A. engineer B. nurse C. worker 5……… does your brother do ? - He's a student. A. Where B. When C. What

Bài1: Tính nhanh A:14.25.6.7 B:125.98.2.8.25

Các bạn ơi , để chế độ tối trên máy tính kiểu gì vậy nhỉ , chỉ mình với ~~