Kết quả tìm kiếm

:) $\color{white}{\text{It hurts :(}}$

necessary

youthful

1. Where do you ________ going for your holidays this year. (A) intend (B) expect (C) pretend (D) mean 2. It isn't quite ________ that he will be present at the meeting. (A) sure (B) right (C) exact (D) certain 3. I always ________ to the university by bus because it is much faster. (A) have...

rockabye

:) $\color{white}{\text{I secretly idolise you :)}}$

1. As soon as he waved his hand, she turned away -> No sooner had he waved his hand than she turned away. 2. My father hasn't smoked cigarettes for a month -> The last time my father smoked cigarettes was a month ago.

superficial

liberty

liability

Ta có : \frac{1}{4}(a+c-b)(a+b-c)=\frac{a^{2}-b^{2}-c^{2}+2bc}{4} (1) Mà a^{2}-b^{2}=c^{2} (2) Từ (1) và (2) suy ra: \frac{1}{4}(a+c-b)(a+b-c)=\frac{2bc}{4}=\frac{bc}{2}=S_{ABC} (đpcm)

despicable

xyloid

envy Ps: Ngủ đi bạn ơi :>

enroll

Bài 1: \Delta ABC vuông tại A, trung tuyến AM => MC=MB=MA=AB = \frac{BC}{2} => \Delta AMB đều => \widehat{B} =60 \circ => \Delta ABC là nửa tam giác đều ( vì có một góc bằng 90 độ và một góc bằng 60 độ ) => AC= \dpi{150} \fn_cm \frac{BC\sqrt{3}}{2} Ta có: tan B = \frac{AC}{AB} = \dpi{150}...

encourage :>

nourishment

similes