Recent content by NickyuTse

please～～～～

give me the answer!

come on,everyone

＃1） 4 ＃2） 8.8 ＃3） 6，3，10/3 come here https://www.physicsforums.com/showthread.php?t=40380

in order to find out the speed of a new steamship,a scientist comes up with a idea to slove it:He makes the steamship sail from A to B and then return to A from B(look at the image). only when the angle between the line AB and the direction of the sreamship is a,the streamship can sail though...

if you want the answers,you can send me a message to get.

For the above posts , the #3) k^x is k^2,i am sorry i typed wrong. i am 17 now,but the three questions were in one exam when i was 16 years old. i'd solved the 3 questions in my exam when i was 16,and i guess if you can do it. just quizzes of chinese stype,i hope you like it.just tell me your...

#1, x , y are real number, x>=y>=1, 2*x^2-xy-5x+y+4=0,then x+y=? #2,look at the Attach image,ABCD is a square,and EFGH is a quadrangle, angle BEG and angle CFH are both sharp angles. EG=3(units),FH=4(units), the acreage of EFGH is 5, question: what is the acreage of ABCD? #3 the...

MY ANSWER: SEE THE Attach Files, ------------------- HI I AM A BOY COME FROM CHINA,I AM PLEASURE TO MAKE FRIENDS WITH YOU ALL.