A <img src="https://www.beizhujiaoyu.com/uploads/202208/164534109746821.png" width="52" height="44" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/164534110291171.png" width="61" height="44" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/164534110725671.png" width="60" height="44" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/164534111174851.png" width="61" height="44" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/164534111692911.png" width="60" height="44" />

A 2(x³+y³) B 2(x+y)³ C 0 D -(x³+y³) E -2(x³+y³)

A A^-1P₁P₂． B A^-1P₂P₁． C P₁A^-1P₂． D P₁P₂A^-1． E P₂A^-1P₁．

A <img width="80" height="58" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100014_4311.jpg" title="" align="" alt="" /> B <img width="80" height="57" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100016_4779.jpg" title="" align="" alt="" /> C <img width="80" height="59" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100016_6186.jpg" title="" align="" alt="" /> D <img width="80" height="68" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100018_6498.jpg" title="" align="" alt="" /> E <img width="80" height="72" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100018_7749.jpg" title="" align="" alt="" />

A 0 B 1 C 2 D 3 E 4

A <img src="https://www.beizhujiaoyu.com/uploads/202208/164439554547241.png" width="17" height="33" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/16443955496831.png" width="17" height="33" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/164439555344351.png" width="17" height="32" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/164439555760201.png" width="17" height="33" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/164439556067451.png" width="18" height="33" />

A <img src="https://www.beizhujiaoyu.com/uploads/202208/164439321452311.png" width="38" height="34" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/164439321896511.png" width="38" height="34" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/164439322425291.png" width="38" height="34" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/164439323013631.png" width="38" height="34" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/164439323498291.png" width="38" height="34" /> <p> </p>

A 0．1 B 0．2 C 0．4 D 0．6 E 0．8

A <img width="20" height="19" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100645_5718.jpg" title="" align="" alt="" /> B <img width="20" height="19" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100647_5248.jpg" title="" align="" alt="" /> C 2 D <img width="20" height="16" src="https://www.beizhujiaoyu.com/uploads/202208/20220216100647_7904.jpg" title="" align="" alt="" /> E 1

A <img width="14" height="27" src="https://www.beizhujiaoyu.com/uploads/202208/20220317155318_7123.jpg" /> B <img width="14" height="27" src="https://www.beizhujiaoyu.com/uploads/202208/20220317155320_5549.jpg" /> C 1 D 2 E 3