小升初人教版2022-2023学年数学升学分班考真题专项模拟试卷（选择题）含解析

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ᓣ௃ᦟ᱐2022-2023ᦪᓣᑖὃ⚪ᔁ⚗ᔁ⌱⚪.⌱⚪ᐳ30⚪1.2022•30cmḄᙊᩈᧇᡂᑖᡂᙊ⊤☢!"#1.2cm2,$ᩭᩈᧇḄ&!'#3஺A.36B.12C.6D.92.2022•)*+,ᨵ4.ᓱᱏ1☢ᑖ2ᑏḼᦪ62ஹ3ஹ4ஹ5஺89᥎;<.,ᓱᱏ1<ᦪḄ>'Ḅ?@ឋᨬ஺A.᜻ᦪB.DᦪC.ᏔᦪD.ᔠᦪ3.2022•ᨵ10᱐HᧇIJᵨLMHᧇḄ2,INJᵨᒕPḄ2,ᨬQᒕ55PḄHᧇᨵᓟS஺A.3.6B.12C.—D.254.2022•TUVWXYZᨵ600ᐗ\]'2020^_^`Ḅ_^`Ḅ^ᑭ᳛c6.34%
஺ᑮ`Q᝛?fgᑮḄᑭhᑡjcA.600X6.34%B.600X6.34%X5C.600X6.34%4-5D.600X6.34%X5+6005.2022•TUVWP☢klmnḄ'A.opqr'stuv஺B.ᙊḄᙊᕜ᳛xᜧᙊḄᙊᕜ᳛஺C.z{|}~1>▭ᡂmz{஺D.2a}x஺6.2022•TUVWᖪ$500ᐗ,ᖪr10%,LᖪQcᐗ஺A.450B.460C.480D.4907.2022•ᙠ20%Ḅ,ḄDzḄDA.75%B.60%C.80%I1⚓/13⚓

18.2022•᝞ᙊḄ☢>¡ា£'¤ᙊḄ¡>☢¥¦L<ᙊḄA.¨☢!}©ªB.&!}©ªC.⊤☢!}©ªD.f1Ḇ┯9.2022•ᵨ10fᑁḄDᦪ³ᡂᑖ*ஹᑖ´µ'¶ᦪḄᨬ·¸ᑖᦪᐳᨵ.A.3B.5C.6D.1410.2022•½¾100¿ÀÁ^ÂᦪÀÃÄᙠÅḄÆÇᜧÈ'A.7cmB.7dmC.1mD.70m11.2022•½¾᝞“a+Ꮤᦪ=Ꮤᦪ"¥¦஺}'A.ᏔᦪB.᜻ᦪC.DᦪD.ᔠᦪ12.2022•½¾᪷ÐÑ2ÒᵨÓQÔᒕÕÒÖmnḄᑡj'4A.2x3B.1-—C.2X1-ÓD.2--444413.2022♦½¾Á2ÛᨵᵱÝ25Þz᝕ÝÕà᝕ÝᨵÕÞÖ᪷áâhPᑡḄ4ᦪᐵä┯åḄ'A.᝕ÝÞᦪX1+1=ᵱÝÞᦪ4B.ᵱÝÞᦪ-᝕ÝÞᦪæç=᝕ÝÞᦪ4C.᝕ÝÞᦪ+᝕ÝÞᦪ><2=ᵱÝÞᦪ4D.ᵱÝÞᦪX1+1=᝕ÝÞᦪ414.2022•êsWᵬᦪzìᦪÕ25%,ᑣìᦪzᵬᦪA.20%B.25%C.33.3%D.ïlzð15.2022•êsW1000&!c1ñòᔖÒḄmò&ᩈᙽ@õᡂ&!cḄmò&஺A.1ñòᔖÒB.1ñòᑖÒC.1ñòÒ16.2022•êsW.ᙊöᱏ÷ᢚ÷ᢚù÷ᢚgᑮᡧLᡧḄᙊûüI2⚓/13⚓

2'஺A.90°B.60°C.45°D.120°17.2022•sþ¾P☢klmnḄᨵÿ஺জᎷᑖᦪḄ᎔ᦪᑖᦪ஺ঝᙊ┵Ḅ☢ᙊ┵Ḅᡂ஺ঞᢗᐗ!"4$☢%&'$ᨵ)*+☢%&஺ট-./ஹ1Ὺ34/ஹ5678/ஹᙊ9:;

3ᩭË¡¢~ÅᑖᑮḄ½¾ᦪGMA.È¢ÍB.È΢ÍC.᪵ÍD.Ð25.G2022•º»LM'☢ᔜ⚪K*ᵨ“4XG1-1M=B”s᪵ᐵ¤ÓÔÕᑡÓ×ØḄᨵG8MÙ஺জÚᩩ400ÜḄÝQ¬ÞÚßà+ᒕ'ÍâܯÚãঝᩩÝQäÞÚß400Üᒕ'ḄäÚḄâ3,+ᒕ'ÍâܯÚã8ঞÚᩩ400ÜḄÝQäÚḄ¯ÚḄ-Z3[5,äÞÚßÍâÜãটÚᩩ400ÜḄÝQäÚḄ¯ÚḄ-Z3[5,+ᒕ'ÍâܯÚãA.1B.2C.3D.426.G2022•º»LM'☢ËKḄᨵGMÙ஺জᙠå¡_ᑁ⚗{¡_᜜⚗Ḅè0஺ঝ¡!Ÿᔣ&ê¡_!☢&Ḅ)*ឋT஺4ঞìíî¦50ᐗ/ᩩïᙠa40ᐗ/ᩩḄðñ¦òóôõß25%஺ট⌕øᑴúḄûᧇýᢝ7ᑖÿ
ᐭḄᡂ஺A.1B.2C.3D.427.2022•□!"᪷$%Ḅᓫ'(2.5ᐗ+ὁ-⌕/100᪷$%⌱12!34/567ᔠ9஺A.":;ᢚB./5〈1C.>200ᐗᡭ@ᢚ28.2022•□!BCDEḄᙊGHIᢥ1K100LDMNᙠPQRST(2cm஺HIḄW▭ᓰᙢ☢\(!]A.3.14B.6.28C.12.5629.2022•`a!SbcbG48C,NC=4ᔖh48=5ᔖh8c=3ᔖh᝞jkZCmnopq"ᕜᡠGᡂḄtuPGḄu\(!t5ᔖh஺A.12TtB.161TC.36nD.48ir30.2022•{|!}~aX=bX5O%=c+15“ஹbஹcn0!,cᦪᢥᜧ1024⚓/13⚓

4ᑮDḄ᣸ᑡ(!A.b>c>aB.c>b>aC.c>a>b25⚓/13⚓

5ᫀ⚪᪆⌱1⚪(ᐳ30D⚪)1.K1.2+4X30=0.3X30=9(cm3)K¡ᩭᩈᧇḄu\(9cm3஺ᦑ⌱KDo2.K2+3=52+4=62+5=73+4=73+5=84+5=9ᐸ§¨©᜻ᦪ(5,7,7,9)«¬Ꮤᦪ(6,8)®¬¯ᦪ(5,7,7)c¬ᔠᦪ(6,8,9)c¬஺Ꮤᦪ¨©¬ᦪᨬ±²³ᱏRµᦪḄ(ᏔᦪḄ¶·ឋᨬD஺ᦑ⌱KC஺3.K10X(14)X(14)Db=10X-1x-|DD=6x35=3.6(ᓟ»)KᨬMᒕ½Ḅ¾ᧇᨵ3.6ᓟ»஺ᦑ⌱KA„4.K600X6.34%X5=38.04X5=190.2ᐗ!26⚓/13⚓

6KᑮÀM᝛¶kÂᑮḄᑭÄn190.2ᐗ஺ᦑ⌱KBo5.K4ÅÆqÇ(pq©È¡⚪ÉÊ┯ÌÍADᙊḄᙊᕜ᳛ÏÐᜧᙊḄᙊᕜ᳛¡⚪ÉÊ┯ÌÍCÑ"ÒPRÓÔW▭ÓÔᡂ¡⚪ÉÊÕÍ஺.Ö஻=2Ø2a=a2¡⚪ÉÊ┯Ì஺9ᦑ⌱KC஺6.K500X(1-10%)=500X0.9=450(ᐗ)KÙᖪÛÜ'Mn450ᐗ஺ᦑ⌱KAo7.K1-20%=80%(80%-20%)4-80%=60%+80%=75%K±75%஺ᦑ⌱KAo8.Kᵫᑖ᪆¶~᝞j"ᙊßḄà☢STáាã(ä"ᙊßḄáà☢STµᙊßḄå☢\"ÒæÏ⊤☢\u\"ÒæÏ.ᦑ⌱KA.9,K10kᑁḄ¯ᦪᨵ2,3,5,7,ᵫéêëᡂḄᑖìஹᑖí("îᦪḄᨬïðᑖᦪᨵK2,3,2,2,3,ñᐳ6.355777ᦑ⌱KC.10.K100òDEóôõᦪEö÷ᙠ"øḄùúᜧû(7an,ü7CT„ýD7þஹ70mýᜧ஺ᦑ⌱KB஺II.K᝞j7+Ꮤᦪ=Ꮤᦪ"
஻Ꮤᦪ஺7⚓/13⚓

7ᦑ⌱Ao12.2X(1᧡=2x1)Ḅᑡ2X(1-3)஺4ᦑ⌱Co13.$%⌱⚗'┯)Ḅ*+ᐵ-ᵱ/0ᦪX(1+1)=᝕/0ᦪ஺4ᦑ⌱Do14.(100+25-100)4-(100+25)X100%=254-125X100%=20%ᦑ⌱A„15.1000%9:;1<=ᔖ?Ḅ=9ᩈᙽBCᡂ=9E9:FGH1000X1=1000(<=ᔖ?)1000<=ᔖ?=1<=ᑖ?ᦑ⌱B஺16.360°4-8=45°MNᙊPQᱏSᢚSᢚUSᢚVᑮ%ᡧPY%ᡧPḄᙊZ[45°஺ᦑ⌱C஺17.জ^ᎷᑖᦪḄᑖ`*aᑖbcᎷᑖᦪḄ᎔ᦪ1,ᡠgh⚪jk┯)lঝᙊnḄ9:+o=Lxr☢:()ᖪᡠgᙊ┵Ḅr☢:ᙊ┵Ḅ9:3voᡂwxh⚪jklঞzzᢗ|}ᐗ4☢ᨵBH☢ᨵB☢ᡠgh⚪jklট$PFSPᡠgh⚪jk┯)஺8⚓/13⚓

8ᡠgḄᨵ2%஺ᦑ⌱B஺18.ᵬ1+2=2214•=33ᡠgᵬஹḄw23஺ᦑ⌱Ao19.24+3=8%ᵨ24%ᙊ┵gᰚᡂ8%*r*oḄᙊn஺ᦑ⌱Co20.3?=0.3ᔖ?,9ᔖ?0.3ᔖ?=301.YNQḄwx301.ᦑ⌱D.21.8x=5y,¢xஹyF;0,ᑣx᜛=58=—,w¦ᑣxvyᡂwxl8¢xஹy;0,ᑣFᡂwx.ᦑ⌱D.22.8X5X15=40X15=600<=ᔖ?600<=ᔖ?=600§600<650ᡠg᪗ªḄ«¬+ᎷḄ®ᜧ஺ᦑ⌱B.23.4°+±²Ḅᦪ+=ᓫ°ᖪᡠg±²Ḅᦪ+v°ᡂwxᐵ-;A¶·Ḅ⚓ᦪ+¸·Ḅ⚓ᦪ=Y¹ºḄ⚓ᦪvᡠg¶·Ḅ⚓ᦪv¸·Ḅ9⚓/13⚓

9⚓ᦪFᡂwxᐵ-lC.%0Ḅ»ov¼Ḅ½¾F¿ᐵὶḄ+ᡠg%0Ḅ»ov¼Ḅ½¾Fᡂwxl஺.ÁḄXᡠᵨcÂ=ÃÄÅ:ᡠgÁḄvᡠᵨcÂᡂÆwxᐵ-஺ᦑ⌱D஺24.3—=24+3+236_17+6+53ÈÉᑖkÊËᑖᑮᦪḄ3SaÊËᩭjÈÉFÊᑖkVᑮḄÍÎᦪ᪵Ð஺ᦑ⌱Co25.জᑡ400X(1--3,Ñᔠ/X1-3=Ó88ঝᑡ400X(1-3),Ñᔠ/X(1-3)=Ô88ঞᑡ400X(1-3),Ñᔠ4X(1-3)=B஺88টᑡ400XFÑᔠ4X(1-3)=8஺88ᦑ⌱C஺26.জᙠwxÖÈ%ᑁ⚗:*aÈ%᜜⚗:ᡠgÈ%ᑁ⚗:ÙÈ%᜜⚗:ḄÚ0஺⚪ÛlঝÈ}ÊcᔣÝÈ%☢ḄBឋß஺⚪Ûl4ঞ50-404-50=104-50=20%àá`h°50ᐗ/ᩩãᙠg40ᐗ/ᩩḄäå°æçèéê20%஺⚪Û┯);টë;ÍìḄíFGᡠg§ᐭḄìvÍᡂwx஺⚪Û஺ᦑ⌱Co27.4ஹ100X2.5X90%=225(ᐗ)10⚓/13⚓

10Bஹ1004-5+1
=16᪷...4᪷100-16=84᪷2.5X84=210ᐗCஹ100X2.5=250ᐗ250>200250X80%=200ᐗ200<210<225ᦑ⌱C஺28.2+-^—=200cm
100200cm=2m2+2=1?3.14X1X1=3.14=?ð▭ᓰᙢ☢:3.14=?஺ᦑ⌱A„29.-^XnX32X43=nX12=12n<=ᔖ?ᡠPᡂḄ<9PḄ9:12n<=ᔖ?஺ᦑ⌱A.30.x—=ftX50%=c4-15a10ᡠgaXô=6X50%=CX-L101511=1.11050%=0.5—=0.067151.1>0.5>0.06711⚓/13⚓

11ᡠgc>b>a(>ᦑ⌱Bo12⚓/13⚓

1213⚓/13⚓