• 2022-06-09
    设[tex=1.429x1.214]HCTRLtzxkeBZo1HKwKR3/g==[/tex]为非零向量,证明[tex=9.071x1.5]VOquS4VsOHaZ1O+UhatkZBu/NMSNJib9u0CmqOq2fFSYRBqjIt/0exTju8dbsaMhcCwzy92V8PLIj/Hs4OiV9g==[/tex].