mọi hệ sinh của không gian hữu hạn sinh đều chứa một hệ sinh con hữu hạn. Chứng minh điều trên mà không dùng Định lý steinitz

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955