[tex=5.429x1.357]qEtZRxWoSPOcEVaJgqloeQ==[/tex] 求[tex=2.143x1.429]Kh72UrSNRrBAoiVLHc4WRQ==[/tex]
举一反三
- 求平行于向量 [tex=5.429x1.357]x/6iEXip+O1XKxx+AJCEK+iJDnwWTs6vrfapGMpSAys=[/tex] 的单位向量.
- 设 [tex=2.143x1.429]+wS5Fh3I5FHTqEONA2uEeA==[/tex]存在, [tex=10.071x1.357]0K8zT6RlQ+kY4C+YTtq8SG0lZlsfyqqlXWn+dNHJVSjzMBnv45SiwvW7HMdxfDozRPKLO70O7E66FzQD805VHg==[/tex], 求[tex=2.143x1.429]mzwRhuDvrCMocO2CEffeaJzsyOyV9IHxECuGvFss+GU=[/tex].
- 设[tex=5.429x1.357]7B+dv9cw/R8ipYA9Cn5Tmg==[/tex]，[tex=4.0x1.357]h+IXB3iY9dB8wXIj4TWKZA==[/tex]求（4）[tex=3.071x1.357]VCuTd6pgBY30HVzZ1ujzHA==[/tex]
- 设[tex=11.286x1.5]bSuVYWQiDe/fjArdRWkunn7QCfg6t62y++0bjDgWwSk=[/tex]，求[tex=2.429x1.429]K3W0wuNSKQrkvveqq5rrTQ==[/tex][tex=2.143x1.429]S4tyZRrkMqZbuC+HIHn0EjVfeD5IZrV9jonpeqKfen4=[/tex]和[tex=2.143x1.429]333yrEBkbviqdeN0tO0J1w==[/tex]
- [tex=4.143x1.5]/C1UNKhjcg4SoGLfWhelmw==[/tex] 求 [tex=2.143x1.429]FvqGute248CTSaAIzNFe3g==[/tex]