广西梧州市2021届高三下学期3月联考数学(文)试题答案
书书书!"#2021$%&'()3*+, !"#$!"#$%、&'((-./50,1600)!"123456789101112#$BCBAADCCADBC1.B )*:%犃=狓狓≤{}2&'犃=狓-2≤狓≤{}2,犅=狓0≤狓<7,狓∈{}犖=0,1,2,3,4,5,{}6,()犃∩犅=0,1,{}2.*+B.2.C )*:%(2-i)狕=5,'狕=52-i=5(2+i)(2+i)(2-i)=5(2+i)5=2+i,()狕=22+1槡2=槡5.*+C.3.B )*:%,-./012322mm,452狉=11mm,6,-./0783π狉2=π×112=121π(mm2),()9:;?121π×3...
2024-10-05
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