Kết quả tìm kiếm

Read the text about some English villages. Then look at the sentences at the bottom of the page and decide if each sentence is true or false. Explore the Villages around Hartbridge Many visitors come to Hartbridge to see the wonderful art galleries and museums, the beautiful buildings and the...

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions. 1. A. discovery B. simplicity C. difficulty D...

laugh

attract

due

never

a) x khác 5 và -5 b)P= c)P=-1. suy ra x+5=-1 x=-6

a) (2x+1)^2 - 2(2x+1) (x-3) + (x-3)^2=(2x+1)^2-(2x+1)(x-3)-(2x+1)(x-3)+(x+3)^2=(2x+1)(x+4)-(x-3)(x+4)=(x+4)^2 b) xy +xz + 3y +3z=x(y+z)+3(y+z)=(x+3)(y+z) c) xy - xz + y -z=x(y-z)+y-z=(x+1)(y-z) d) x^2 - xy - 8x + 8y=x(x-y)-8(x-y)=(x-8)(x-y) e) x^2 + 2xy + y^2 - xz -...

eye

test

mình nghĩ bạn ấy đánh nhầm chứ làm gì có kiểu đề ấy

a) biểu thức có nghĩa khi b)dk: suy ra x=-2

else

typhoon

this powerful engine was explained to have been pulled the train by the teacher

mình rút gọn bk và ah

(a-b)^20 a^2-2ab+b^20 3/4a^2-3/2ab+3/4b^2 a^2-ab+b^2 cm tương tự. suy ra . dấu = xảy ra khi a=b=c=1/3