Help out on the inverse proportion function and Pythagorean theorem of the problem it! A little basic on the line, but not too simple!

Help out on the inverse proportion function and Pythagorean theorem of the problem it! A little basic on the line, but not too simple!

Come on! At the beginning of Zhoubi Suanjing, one of the earliest mathematical works in China, records a dialogue in which the Duke of Zhou asked Shanggao for mathematical knowledge. The Duke of Zhou asked: "I heard that you are very proficient in mathematics. I would like to ask: there is no ladder to go up in the sky, and there is no ruler to measure the earth, so how can we get

Exercises of inverse proportion function

Help you find some free download special exercises
Mathematics "inverse proportion function" test questions (1)
Mathematics "inverse proportion function" test questions (2)
Mathematics "inverse proportion function" test questions (3)
Inverse scale function
Inverse scale function 2
The first round review of mathematics in senior high school entrance examination
Classification and compilation of 2010 senior high school entrance examination questions inverse proportion function
The seventh degree function and inverse proportion function in the special review of senior high school entrance examination

As shown in the figure, B is the midpoint of CE, ad = BC, ab = DC. De intersects AB at F

It is proved that: (1) ∵ ad = BC, ab = DC, ∵ quadrilateral ABCD is parallelogram, ∵ ad ∥ BC. (2) ∵ B is the midpoint of CE, ∵ be = BC, ∵ ad = BC, ∥ ad = be, and ∥ ad ∥ BC, ∥ a = ∥ Abe, ∵ in △ ADF and △ bef,