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1.3復(fù)數(shù)(精講)(基礎(chǔ)版)思維導(dǎo)圖思維導(dǎo)圖考點呈現(xiàn)考點呈現(xiàn)例題剖析例題剖析考點一復(fù)數(shù)的實部、虛部【例1】(2022·湖北武漢·二模)已知復(fù)數(shù)SKIPIF1<0,則SKIPIF1<0的虛部為(

)A.SKIPIF1<0 B.1 C.SKIPIF1<0 D.SKIPIF1<0【一隅三反】1.(2022·遼寧·建平縣實驗中學(xué)模擬預(yù)測)已知復(fù)數(shù)SKIPIF1<0,則復(fù)數(shù)z的虛部為(

)A.SKIPIF1<0 B.1 C.SKIPIF1<0 D.SKIPIF1<02.(2022·安徽黃山·二模)已知復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0,則SKIPIF1<0的虛部為(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<0考點二復(fù)數(shù)的幾何意義【例2-1】(2022·天津市寧河區(qū)蘆臺第一中學(xué)模擬預(yù)測)已知復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0(其中SKIPIF1<0為虛數(shù)單位),則復(fù)數(shù)SKIPIF1<0對應(yīng)點的坐標(biāo)為_____.【例2-2】(2022·河南)若復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0(SKIPIF1<0為虛數(shù)單位),則SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限 C.第三象限 D.第四象限【一隅三反】1.(2022·北京·模擬預(yù)測)在復(fù)平面內(nèi),復(fù)數(shù)SKIPIF1<0,則SKIPIF1<0對應(yīng)的點位于(

)A.第一象限 B.第二象限C.第三象限 D.第四象限2(2022·山西臨汾)在復(fù)平面內(nèi),復(fù)數(shù)z對應(yīng)點的坐標(biāo)為SKIPIF1<0,則SKIPIF1<0(

)A.i B.-iC.1+i D.1-i3.(2022·江西·二模)SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限C.第三象限 D.第四象限考點三數(shù)的分類【例3-1】(2022·遼寧·二模)設(shè)SKIPIF1<0(i為虛數(shù)單位),若SKIPIF1<0為實數(shù),則a的值為(

)A.2 B.SKIPIF1<0 C.1 D.SKIPIF1<0【例3-2】(2022·安徽省)已知復(fù)數(shù)SKIPIF1<0為純虛數(shù)(其中SKIPIF1<0為虛數(shù)單位),則實數(shù)a=(

)A.1 B.-1 C.2 D.-2【一隅三反】1.(2022·廣東廣州·二模)若復(fù)數(shù)SKIPIF1<0是實數(shù),則實數(shù)SKIPIF1<0(

)A.SKIPIF1<0 B.0 C.1 D.22.(2022·河南·模擬預(yù)測(理))若SKIPIF1<0為純虛數(shù),其中SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0C.SKIPIF1<0 D.SKIPIF1<03.(2022·甘肅蘭州·一模(理))設(shè)i為虛數(shù)單位,若復(fù)數(shù)SKIPIF1<0是純虛數(shù),則實數(shù)SKIPIF1<0(

)A.-1 B.0 C.1 D.2考點四復(fù)數(shù)的模長【例4】(2022·浙江·模擬預(yù)測)若SKIPIF1<0(i為虛數(shù)單位),則SKIPIF1<0(

)A.2 B.SKIPIF1<0 C.4 D.SKIPIF1<0【一隅三反】1.(2022·安徽·模擬預(yù)測(文))設(shè)SKIPIF1<0(i為虛數(shù)單位),則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.(2022·江西萍鄉(xiāng)·二模(文))已知復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0(SKIPIF1<0為虛數(shù)單位),則SKIPIF1<0=(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.(2022·山西·二模(理))SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.(2022·河南·二模(理))設(shè)復(fù)數(shù)SKIPIF1<0(i是虛數(shù)單位),則SKIPIF1<0的值為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.2 D.SKIPIF1<05.(2022·江蘇·海安高級中學(xué)二模)已知i為虛數(shù)單位,復(fù)數(shù)z滿足SKIPIF1<0,則z的虛部為(

)A.2 B.1 C.-2 D.-1考點五復(fù)數(shù)的計算【例5-1】(2022·福建龍巖·模擬預(yù)測)復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0【例5-2】(2022·江蘇·新沂市第一中學(xué)模擬預(yù)測)復(fù)數(shù)SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.1 D.SKIPIF1<0【一隅三反】1.(2022·山西省運城中學(xué)校模擬預(yù)測(文))已知i是虛數(shù)單位,若SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.(2022·寧夏吳忠·模擬預(yù)測(理))若復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0(SKIPIF1<0為虛數(shù)單位),則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.(2022·天津五十七中模擬預(yù)測)已知SKIPIF1<0是虛數(shù)單位,則SKIPIF1<0___________.1.3復(fù)數(shù)(精練)(基礎(chǔ)版)題組一題組一復(fù)數(shù)的實部、虛部1.(2022·北京通州·一模)復(fù)數(shù)SKIPIF1<0的虛部為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.(2022·江西·上饒市第一中學(xué)二模(文))若復(fù)數(shù)z在復(fù)平面內(nèi)對應(yīng)的點為SKIPIF1<0,則其共軛復(fù)數(shù)SKIPIF1<0的虛部是(

)A.SKIPIF1<0 B.SKIPIF1<0 C.1 D.SKIPIF1<03.(2022·新疆昌吉·二模(文))已知復(fù)數(shù)z滿足SKIPIF1<0,則復(fù)數(shù)z的虛部為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<04.(2022·江西·二模(理))SKIPIF1<0的虛部為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(2022·廣東梅州·二模)復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0,SKIPIF1<0為虛數(shù)單位,則復(fù)數(shù)SKIPIF1<0的虛部為(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.(2022·天津·南開中學(xué)模擬預(yù)測)若SKIPIF1<0為虛數(shù)單位,復(fù)數(shù)滿足SKIPIF1<0,則SKIPIF1<0的虛部為___________.題組二題組二復(fù)數(shù)的幾何意義1.(2022·廣西南寧·二模(文))已知i是虛數(shù)單位,若SKIPIF1<0,SKIPIF1<0,則復(fù)數(shù)SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點在(

).A.第一象限 B.第二象限C.第三象限 D.第四象限3.(2022·河南·靈寶市第一高級中學(xué)模擬預(yù)測(理))已知復(fù)數(shù)SKIPIF1<0(i是虛數(shù)單位),則SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限C.第三象限 D.第四象限3.(2022·河南許昌·三模(文))已知i為虛數(shù)單位,復(fù)數(shù)z滿足SKIPIF1<0,則復(fù)數(shù)z在復(fù)平面所對應(yīng)的點在(

)A.第一象限 B.第二象限C.第三象限 D.第四象限4.(2022·山東泰安·二模)已知復(fù)數(shù)SKIPIF1<0,i是虛數(shù)單位,則復(fù)數(shù)SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限C.第三象限 D.第四象限5.(2022·山東淄博·模擬預(yù)測)復(fù)數(shù)z滿足SKIPIF1<0,則復(fù)平面內(nèi)z對應(yīng)的點在(

)A.第一象限 B.第二象限 C.第三象限 D.第四象限6.(2022·貴州遵義)若復(fù)數(shù)z滿足SKIPIF1<0(i為虛數(shù)單位),則復(fù)數(shù)z在復(fù)平面內(nèi)所對應(yīng)的點在(

)A.第一象限 B.實軸上 C.第三象限 D.虛軸上7.(2022·湖南·長郡中學(xué)一模)若復(fù)數(shù)z滿足SKIPIF1<0,則復(fù)數(shù)z在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限 C.第三象限 D.第四象限8.(2022·山東聊城·二模)復(fù)數(shù)SKIPIF1<0的共軛復(fù)數(shù)在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限 C.第三象限 D.第四象限9.(2022·遼寧沈陽·二模)復(fù)數(shù)z滿足SKIPIF1<0,則z在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限C.第三象限 D.第四象限10.(2022·陜西·安康市高新中學(xué)三模(文))已知復(fù)數(shù)SKIPIF1<0,則SKIPIF1<0在復(fù)平面內(nèi)對應(yīng)的點位于(

)A.第一象限 B.第二象限 C.第三象限 D.第四象限題組三題組三復(fù)數(shù)的分類1.(2022·四川德陽·三模(理))若復(fù)數(shù)SKIPIF1<0為純虛數(shù)(SKIPIF1<0為虛數(shù)單位),則實數(shù)SKIPIF1<0的值為(

)A.SKIPIF1<01 B.0 C.1 D.SKIPIF1<01或12.(2022·江蘇南通·模擬預(yù)測)設(shè)SKIPIF1<0為實數(shù),且SKIPIF1<0為純虛數(shù)(其中SKIPIF1<0是虛數(shù)單位),則SKIPIF1<0(

)A.1 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<03.(2022·安徽·安慶一中模擬預(yù)測(文))已知SKIPIF1<0,若復(fù)數(shù)SKIPIF1<0為純虛數(shù),則實數(shù)SKIPIF1<0(

)A.2 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<0題組四題組四復(fù)數(shù)的模長1.(2022·江蘇江蘇·三模)已知復(fù)數(shù)SKIPIF1<0,則SKIPIF1<0是SKIPIF1<0的(

)A.充分不必要條件 B.必要不充分條件C.充要條件 D.既不充分也不必要條件2.(2022·江蘇·二模)已知SKIPIF1<0為虛數(shù)單位,若復(fù)數(shù)z滿足SKIPIF1<0,則SKIPIF1<0(

)A.1 B.SKIPIF1<0 C.2 D.SKIPIF1<03.(2022·江西南昌·二模(文))已知i為虛數(shù)單位,若SKIPIF1<0,則SKIPIF1<0(

)A.1+i B.SKIPIF1<0 C.2 D.SKIPIF1<04.(2022·新疆昌吉·二模(理))已知復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<05.(2022·遼寧葫蘆島·一模)若復(fù)數(shù)SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<06.(2022·安徽·蕪湖一中三模(文))已知復(fù)數(shù)z滿足記SKIPIF1<0(i為虛數(shù)單位),則SKIPIF1<0(

)A.2 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<07.(2022·安徽·蕪湖一中三模(理))已知非零復(fù)數(shù)z滿足SKIPIF1<0(i為虛數(shù)單位),則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<08.(2022·黑龍江齊齊哈爾·二模(理))設(shè)i為虛數(shù)單位,復(fù)數(shù)z滿足SKIPIF1<0,則SKIPIF1<0(

)A.2 B.1 C.SKIPIF1<0 D.SKIPIF1<09.(2022·重慶·二模)已知復(fù)數(shù)SKIPIF1<0滿足SKIPIF1<0,其中i為虛數(shù)單位,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<010.(2022·黑龍江·哈爾濱三中二模(文))已知SKIPIF1<0,則SKIPIF1<0的模長為(

)A.4 B.SKIPIF1<0 C.2 D.10題組五題組五復(fù)數(shù)的計算1.(2022·內(nèi)蒙古通遼·二模(理))已知SKIPIF1<0,則SKIPIF1<0(

)A.SKIPIF1<0 B.SKIPIF1<0 C.SKIPIF1<0 D.SKIPIF1<02.(2022·廣東汕頭·二模)已知復(fù)數(shù)z滿足SKIPIF1<0(SKIPIF1<0

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