西师大版2022-2023学年六年级下册期末数学升学分班常考易错题模拟试卷（二）含解析

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ᓣ௃ᜧ᱐2022-2023ᦪᓣᑖὃ᧕┯⚪ᔁஹ⌱⚪331.᪷ᵨ.,ᵨWm,ᵨ஺ᵨḄ!oA.ᵨḄ$᪵&B.ᵨḄ&C.ᵨḄ&D.*+2.ᵬᦪ/ᦪḄ0213,/ᦪ2ᦪḄ0415,ᵬᦪ2ᦪḄ0!஺A.213B.215C.81153.678976ᑁ8ᦪḄ041312,;67890!஺A.<8789B.=Ὺ789C.?8789D.┦878924.ᨵ᪷BC᝞E᪷ᵨᐰḄG,᪷ᵨᐰḄHI᪷BCᒕKḄL=Mᩭ᪷BCL!஺A.᪷B.᪷C.$᪵5.KOP76O9Ḅ☢RST!.6cm///\\/4cmScm2cmA.789☢RᜧB.V9☢RᜧC.WTXY9☢RᜧD.☢R᪵ᜧஹZ[6.?]ᑏ_`ᦪ஺1.8x5=0.5x64=1.25x0.8=4.5+90=0.63+0.9=5.7x20=0.1+0.025=0.007+0.01=7ஹO9g[7.g[KOḄᕜ☢Rᓫj1m!1⚓/m21⚓

1Xஹnopᡈr8.stuᦪX஺13--93X-51.614=x12.563+5x=6.36.wஹῃyg[9.g[z{[Ḅ⌕{[஺337-X--57+130.32x99+32%235-+-547.8-[32x(1-8)+3.6]ஹ⚪2⚓/m21⚓

210.1000A49ᔖ100A4!ᔖ஺11.ᙠᦪ86.8PᦪYḄ“8”⊤!,YḄ“8”⊤!஺12.1836Ḅᨬᜧᦪ0!,ᨬᦪ0!஺13.᫜100ᓟᜩᵨxᓟ6ᜩ¡ᒕK79ᓟᵨop⊤0=79¢x=஺14.£¤Ḽ¦ᨌ¨¦Y◞5ªᨵ«¬᪛஺¯°«᪛¨ᑮ24«᪛ᐳ¨³!¯´ᜓ¶·¸¨20H⌕¨ᑮ!«᪛¹º஺2215.ᙠ314.2%ஹ3.14ஹTiஹ7ஹ3.142;w6ᦪPᨬᜧḄᦪ0!ᨬḄᦪ0!஺a6_16.abÀ¹᎔ᦪHI"³!o17.ᐗÄÅÆÇᖪÉMÊ100ᐗḄË⊟ÍÎ85ᐗ[[;ªË⊟ᡭᢚ├Î஺18.ÒÓᯠᦪxஹÕᑖn×ᦪx=axbxbxc,y=axbxcxcHIØஹNḄᨬᜧᦪ0!,fᨬᦪ0!஺19.Ò1025ᓄᡂᨬ{ᓫ᦮ᦪ0!,ÝḄÞ0!஺ßஹᑨá⚪20.ᡠᨵÓᯠᦪḄ᎔ᦪãä1஺!21.6åæḄÓᯠᦪ6jçḄᦪè00,ᐸÝᦪjçḄᦪèê03Ḅᦪ஺ᑣ2ஹ3ஹ5ã0;6ᦪḄᦪ஺!22.=yY$ìíஹîஹïᡈ◀ñL$ḄᦪòEóᯠ0=y஺!23.ôᙊ9öᢚ7÷øùñ`ᑮ45஺90஺135஺Ḅ8஺!24.1-9,9ᦪèᓱᱏüᑮᓫᦪḄùzឋüᑮþᦪḄùzឋ᪵ᜧ..ᑨáö┯
ஹ⚪25.ᢥ⌕஺3⚓/21⚓

3(1)b!"#$জ&ᙊḄ!$)*᪗,A&&A&-Ḅ./ᵨᦪ⊤34()஺(2)ᑖ8"#$ঝ&Ḅ:;)ᔣ,=>3?@A-PBC┐EF90஺GḄ$)஺()(3)"#$ঞ&ḄIJ)ᢥ1,3KLGḄ$)KLGḄIJ)Ḅ☢N4Oᩭ$)Ḅ()஺26.ᨵRSTU᝞WXᨴZR[◤⌕20ᐗ᝞WR[Zᐰ_Ḅ`ab15%஺ᑢὁeR[Zfᐰ_ḄTU◤⌕ghᐗi27.ᦻᐹlᨵRSᵯnop├rḄᦪstuḄᐵw᝞x⊤:ᦪs/z246u/ᐗ163248(1){nopḄᦪstuᡠ}Ḅ-ᙠ$&#ᩭ*;4⚓/21⚓

42ᑭᵨ$7z᪵Ḅnopu4ᐗ஺28.ᙠRzᨵ∎@∵ᐳ35R∎ᨵ8ᩩR∵ᨵ6ᩩRᐳᨵ240ᩩ஺∎@∵ᔜghi529.ᣎ.R¡ᐳᣎ2400ᐗ¢¡Ḅᣎ4R¡ᣎḄ£,44:¡ᣎḄ¢:¡ᐳᣎghᐗi30.RᙽIJ)¦o᝞$§z;ᔜᑗᣵRzªI3cmḄ«J)ᯠGᡂ¯஺z¯ᵨfgh¦oi°Ḅ±Nᨵghi5⚓/21⚓

5ᫀ:1.Bூᑖ᪆௃33]_{᪷¦ºḄI»¼ᓫ.¾”R[ᵨÀᑣ¢[ᵨÀf1—ÃÄᓽ`஺ூÆ௃311—4=4314>4ᡠR[ᵨÀḄg஺ᦑBË⚪ὃÍᑖÎᑖᦪÏÐᜧLÒÓᑖᦪÏÐᜧLḄJÔ4⚪ḄᐵÕ஺2.Cூᑖ᪆௃᪷ÃÏḄ×ËឋÙÏḄÚ⚗@G⚗CÜᡈ◀Rzß0ḄᦪÏáßâÃÄᓄ:ὶÏᓽ`஺ூÆ௃ᵫᑖ᪆`æçᵬᦪ:éᦪ=2ç3=8ç12éᦪ:ëᦪ=4ç5=12ç15ᵬᦪ:éᦪ:ëᦪ=8ç12ç15ᡠᵬᦪ:ëᦪ=8ç15ᦑ⌱çCË⚪ὃÍÏḄឋÙíîïᵨÏḄ×ËឋÙ4⚪ḄᐵÕ஺3.Dᫀ1⚓ᐳ15⚓

6ூᑖ᪆௃:;)Ḅᑁ;@4180»òæ:zᑁ;Ḅ»ᦪÏ44ç3ç2,ᵫÄ᣸◀B⌱⚗ôz:4;)&ᨬᜧḄ;Ḅ»ᦪᓰᑁ;@Ḅ4+3+2,᪷ÃRzᦪÜᑖᦪḄøùᵨÜÔᓽ`#ᨬᜧ;Ḅ»ᦪú᪷Ã:;)ᢥ᯿;ḄᜧLᑖüḄ᪗ýᓽ`Óþÿ
஺ூ௃4180஺ஹ4+3+2=80°ᨬᜧ80!ᐸ#$%&80!%'┦!ᡠ*┦஺ᦑD-⚪/⌕ὃ2ᢥ45ᑖ78⚪!⚪9⌕:;Ḅᑁ>180஺?Ḅᑖ@᪗B஺4.Bூᑖ᪆௃ᵫ$᪷HIᵨKᒕMḄNOP!ᡠ*
᪷ᵨQR!S-
᪷TN!⌱VᓽX஺ூ௃1a2Z6=30,5=3051230<30]_2ᡠ*_&`ᡠ*ab᪷HIᵨQR!ᓽSᩭab᪷HIN஺ᦑB-⚪ᐵeᙠ4g$᪷HIhᵨiQR!ᵨQRḄj᪷HISᩭN஺5.Dூᑖ᪆௃klmXn!opqrஹ>sḄtOu!Ꮇw#xḄt8cm,᪷opqᫀa2⚓!ᐳ15⚓

7rḄ☢=ஹt!Ḅ☢=t+2,sḄ☢=(+M)xt+2,ᑖ#xḄ☢!ᯠp4ᓽX஺ூ௃Ꮇw#xḄt8cm஺4x8=32(cm2)8x8+2=64+2=32(cm2)(2+6)x/2=8x8+2=64+2=32(cm2)ᡠ*#xḄ☢᪵ᜧ஺ᦑD-⚪ὃ2opqrஹ>sḄ☢!⚪Ḅᐵe஺6.93.210.050.711440.7ூ௃7.162.8m1314m2ூᑖ᪆௃ᔠmḄᕜNP%ᙊḄᕜNNḄ$ᩩN!ᑭᵨᙊḄᕜNC=nd,¡2%50mᓽXQᔠmḄ☢P%ᙊḄ☢NḄ☢!ᑭᵨᙊḄ☢S=nr?>NḄ☢s=ab,ᑖ§¨ᙊḄ☢>NḄ☢!¡©$%mḄ☢OᓽXQ஺ூ௃ᫀa3⚓!ᐳ15⚓

83.14x20+50x2=62.8+100=162.8(m)3.14x(20+2)2+50x20=3.14xl02+1000=3.14x100+1000=314+1000=1314(m2)8.x=1x=2x=18.9ூᑖ᪆௃(1)᪷45Ḅ«-ឋXQ®4x=1.6x2.5,᪷PḄ«-ឋ$ru9◀*4(2)᪷PḄ«-ឋ$ru9°5x,$r¡u9◀*31.5(3)᪷PḄ«-ឋ$ru9§x,$r¡u9²iᨬ$r¡u9◀*3Oூ௃1.64=x2.54x=l.6x2.54x+4=4+4x=l63+5x=6.363+5xx5x=6.3x5x6.3x5x=6331.5x+31.5=63+31.5x=2136.9—3x=5J_J_3J_6.9—3x+3x=5+3x3J_335+3x—5=6.9—5ᫀa4⚓!ᐳ15⚓

9J.113x+3=6.3+3xx=18.9249.323570,56ூᑖ᪆௃(1)ᐜ©¸ᑖᦪᓄ&ᦪ!¡ᑭᵨ°»ᑖ7¼½¾§¨(2)ᐜ©ᑖᦪ◀»ᓄᑖᦪ°»!¡ᑭᵨ°»ᑖ7¼½¾§¨(3)ᐜ§¨&¿ÀÁ☢Ḅᑖᦪ²»!¡§¨Â¿ÀÁ☢Ḅᑖᦪ°»!ᯠ§¨Â¿ÀÁ☢Ḅ&ᦪ»!ᨬ§¨¿À᜜☢Ḅ◀»(4)ᐜ§¨&¿ÀÁ☢Ḅᑖᦪ²»,¡©ᑖᦪ◀»ᓄᑖᦪ°»§¨!ᨬ§¨ᑖᦪ»஺ூ௃(1)0.32x99+32%=0.32x99+0.32=0.32x(99+1)=0.32x100=32337—X—4-14--(2)573333-x—4-1X—=577ÇÈÉ83-X—=5724=355(3)7.8+[32x(1-8)+3.6]3=7.8-[32x8+3.6]=7.8+[12+3.6]ᫀa5⚓!ᐳ15⚓

10=7.8+15.6=0.5,11ஹ23(----)4--+-(4)23541_23__I__=65453+—_1247=%10.0.9ூᑖ᪆௃✌ᐜ᪷“Pᑖ”◀»ḄÐÑ!ᵨ◀»1ÒA4ÔḄÕ!¡᪷᦮ᦪ°»ḄÐÑ!ᵨ°»ᓽX஺ூ௃9-1000x100=0.009x100=0.9×ᔖÙÚ⚪Û½ᓫḄ“ÝÞ''8⚪!à¼ᐜᵨ◀»ᓫá!¡ᵨ°»âá஺11.8%ᓝ8%0.1ூᑖ᪆௃ᦪäḄᦪå!T⊤çᨵå%éᦪäḄ§ᦪᓫä!ᓽX஺ூ௃ᙠ&ᦪ86.8Â!&ᦪêërḄ“8”ᙠᓝä!⊤ç8%ᓝ!ìrḄ“8”ᙠᓝᑖä!⊤ç8%0.1஺-⚪/⌕ὃ2íî&ᦪḄᦪäஹ§ᦪᓫänïḄðñ஺12.1836ᫀa6⚓!ᐳ15⚓

11ூᑖ᪆௃ᨬᜧᦪòTå%ᦪḄᨵᦪḄó°!ô$%ᦪᩭõ$%ᦪḄᨵᦪó°T#xḄᨬᜧöᦪ!$%ᦪḄᨵᦪ>#x÷ᨵḄᦪḄó°T#xḄᨬ&øᦪ!ᵫù8⚪ᓽX஺ூ௃18=2x3x3,36=2x2x3x3,ᡠ*18>36Ḅᨬᜧᦪ2x3x3=18஺18>36Ḅᨬ&øᦪ2x3x3x2=36஺⚪/⌕ὃ2$%ᦪḄᨬᜧöᦪ>ᨬ&øᦪḄ»!ᵫX*úûù8⚪஺13.100D6x3.5ூ௃100EI6x=796x=1000796x=21x=3.514.11528ூᑖ᪆௃᪷⚪Ð!24ýᦪþÿᨵ
24—15ᵨᓽᐳᦪ᝞20⌕
2
K5Ḅ5ᓽᑮ
24+20+5$᪛&'஺ூ*+௃5x
24-1=5x23=115
20+5+24=4+242ᫀ47⚓ᐳ15⚓

12=28
$ᡠ89:4$᪛ᑮ424$᪛ᐳ;1159<ᜓ>?20&⌕ᑮ428$᪛@A஺B⚪D⌕ὃF;G᪛H⚪Ḅ+⚪IJKL$ᦪ=Mᦪ+1஺2215.73.14ூᑖ᪆௃PQᑖᦪஹᑖᦪஹ71SᓄᡂVᦪᢥ᯿VᦪYZᜧVḄI\]ᓽ஺ூ*+௃22314.2%=3.142,71-3.14159,7M.142922^@3.1429>3.142>3.14159>3.14,ᡠ87>3.142=314.2%>n>3,14o2222ᙠ314.2%ஹ3.14ஹ11ஹ7ஹ3.142`aᦪbᨬᜧḄᦪd
7,ᨬVḄᦪd
3.14fghiVᦪYZᜧVḄId+2⚪jḄᐵl஺116.24ூᑖ᪆௃᪷n᎔ᦪKpLqd1Ḅrᦪs@᎔ᦪtuavbs@᎔ᦪᑣaxb=l,ᑖxᦪyz`ᦪḄ᎔ᦪᓽ+2஺ூ*+௃^@axb=l,a6ab=4x6ah=242ᫀ48⚓ᐳ15⚓

131=24{⚪ὃFḄd᎔ᦪḄKpfg᎔ᦪKpLqd1Ḅrᦪs@᎔ᦪd+⚪ᐵl஺17.}aூᑖ᪆௃ᡭᢚddḄQᑖᓝᵨ◀8ᓽ஺ூ*+௃85+100=85%=}aᢚ`⊟ᡭ}aᢚ├஺{⚪ὃF;ᢚᡷH⚪zẠ⚪j஺18.abcab2c2ூᑖ᪆௃ᨬᜧ^ᦪd`ᦪḄᨵ^ᦪḄqᨬVᦪdᐳᨵ^ᦪᨵ^ᦪḄqn{+2஺ூ*+௃PᯠᦪXஹᑖ+^ᦪx=axbxbxcy=axbxcxc&ᐝஹNḄᨬᜧ^ᦪdaxbxc=abc,ᨬVᦪdaxbxbxcxc=ab2c2஺ᦑabc.ab2c2fgrᦪḄᨬᜧ^ᦪᨬVᦪḄId+2{⚪Ḅᐵl஺19.4L14ூᑖ᪆௃ᑭᵨᓄ¦᦮ᦪYḄI¨©ª]஺Y«8ᵨYḄ?⚗◀8⚗¨©\]஺ூ*+௃1:0.252ᫀ49⚓ᐳ15⚓

14=(1X100)L(0.25x100)=100L25=4L1=4-1=4;+ᓄ¦᦮ᦪYḄI±²Y«Ḅ³pd+2B⚪Ḅᐵl஺20.xூᑖ᪆௃᪷n᎔ᦪḄKpqd1Ḅrᦪs@᎔ᦪ0´ᨵ᎔ᦪ1Ḅ᎔ᦪµd1ᵫ{+2஺ூ*+௃ᯠᦪµᒹ¸0v1,0´ᨵ᎔ᦪ1Ḅ᎔ᦪµd1,ᡠ8ᡠᨵᯠᦪḄ᎔ᦪ¹Vz1,┯»஺ᦑx{⚪D⌕᪷n᎔ᦪḄKpᑨ½஺21.4ூᑖ᪆௃¾¿d2ஹ3ஹ5ḄᦪᱯÁLiᦪÂd0,ᔜiÄᦪÂÅḄvd3Ḅᦪn{+2஺ூ*+௃ÆÇḄᯠᦪiÄḄᦪÂd0,ᑣ`ᦪÈd2v5ḄᦪᐸÊᦪiÄḄᦪÂvd3Ḅᦪ&`ᦪÈd3Ḅᦪᑣ`ᦪÈd2ஹ3ஹ5Ḅᦪᡠ82ஹ3ஹ5¹d`ᦪḄ^ᦪ஺ᦑ4fgᦪ¾¿d2ஹ3ஹ5ᦪḄᦪᱯÁd+2⚪jḄᐵl஺22.x2ᫀ410⚓ᐳ15⚓

15ூᑖ᪆௃᪷nyËḄឋyËḄr;¿ஹÎஹžḄᦪÏÐᯠdyËÑÒyËḄr;¿◀8žḄᦪ¿ÓÔ0◀᜜ÏÐᯠdyË^@0Ö×Ø◀ᦪ0Ø◀ᦪÙKpn{¨©ᑨ½஺ூ*+௃yËḄr;¿ஹÎஹžḄᦪÏÐᯠdyËyËḄr;¿◀8žḄᦪ
0◀᜜ÏÐᯠdyËᡠ8{⚪ÚÛ┯»஺{⚪dÜyËBឋḄὃF⌕ÝÞfgᐸÈp஺23.Nூᑖ᪆௃ᙊàáḄâᦪdᕜä360஺Üᢚå◀82ᑮr8ᙊæ@⚔èḄ180஺ḄäÜᢚéå◀84,ᑮ90஺ḄäÜᢚêå◀88ᑮ45஺Ḅäᦑ×ᑮḄä¹d45âäḄᦪn{+2஺ூ*+௃360°-8=45°45஺*1=45°45°X2=90°45°X3=135°ᡠ8ìíᙊàáÜᢚêåîï8ᑮ45஺90஺135஺Ḅä஺ᦑ4B⚪ὃFᕜäḄuðväḄÜᢚfgᕜäd360஺d+⚪Ḅᐵl஺24.xூᑖ᪆௃ூ*+௃ñ⚪ᑖ᪆L19,9íᦪÂᓱᱏᓫᦪᨵ1ஹ3ஹ5ஹ7ஹ9aíõᦪᨵ2ஹ4ஹ6ஹ8öí2ᫀ411⚓ᐳ15⚓

16÷ᓫᦪvõᦪḄ×ឋ᪷n×ឋḄLᦪdøᦪḄᑖdhùᵨ◀ᑖú+2YZᓽ+L19,9íᦪÂᓱᱏᓫᦪᨵ1ஹ3ஹ5ஹ7ஹ9aíõᦪᨵ2ஹ4ஹ6ஹ8öí_5ᡠ8÷ᓫᦪḄ×ឋ@L5+9=Ö_4÷õᦪḄ×ឋ@L4+9=Qsுü99ᡠ819,9íᦪÂᓱᱏ÷ᑮᓫᦪḄ×ឋv÷ᑮõᦪḄ×ឋ᪵ᜧþ┯».ᦑ2ᫀ@x.ூèÿ௃
⚪᪷ឋḄᓽᦪᦪḄᑖᵨ◀
.25.(1)N(9,6)(3)9"#$%
ூᑖ᪆௃(1)✌ᐜ᪷*+,"#Ḅᱯ.+,/ᑮ+,*Ḅ1234+,/Ḅ56ᚖ89+,*ᙠ+,*bḄ;<=>"Ḅᐵ@+,/ᯠBCD5ᯠBᵨᦪ+⊤FGHḄIJᦪK⊤FᑡJMᦪK⊤FN
ᓽ஺(2)PQR#Ḅᔜ⚔/ᔣVWX3YᯠB5Zᔜ/ᓽ[P\/P5ZḄ]ᩩ6_`a┐cd90஺ᨬB5ZJQᩩ6_ᓽ஺(3)PfI#Ḅᔜ

17=5ᡠmghBḄfI#Ḅ☢liᩭ"#Ḅ6஺᝞"ᡠFx⚪ὃz⊡ᐰ*+,"#ஹ"#ḄWX\cd~"#Ḅgh᪷ᡠ⌲⚗
ᓽ஺26.204ᐗூᑖ᪆௃PᨴDḄᵨᓫG”ᵨᨴDḄᵨX(1-15%)=ᐰᨴ▭ᵨ12ᨴᓽ஺ூ%
௃20x(1-15%)xl2=20x0.85x12=204(ᐗ)◤⌕204ᐗ஺ᐵ@¡¢ᓫG“1”᦮¥ᦪ¦x§ᑖ+¨ᑖ᳛=§ᑖᦪ¦஺27.(1)$%
(2)56«¬⊤®Ḅᦪ᪗ᙠ"V5°ᩭᑮ±²³Ḅᦪ¦\´µḄ¬"[±²³ḄᓫᫀJ13⚓ᐳ15⚓

18µᦪ¦ᓽ஺ூ%
௃·1¸᝞"ᡠF·2¸16+2=8·ᐗ¸7X8=56·ᐗ¸7º᪵Ḅ±²³´µ56ᐗ஺m¼½±²³¾ᦪ¦¿À´µÁ¿ᜧMὅḄÄű²³Ḅᓫµᓫµ¢±²³Ḅᦪ¦\´µᡂÇÄÈᐵÉ஺28.∵Ë20Ì∎Î15Ìூ%
௃35x8=280·ᩩ¸280-240=40·ᩩ¸40-2=20·Ì¸35-20=15·Ì¸ᨵ∵Ë20Ì∎Î15Ì஺29.2500ᐗூᑖ᪆௃5᪷⚪ÑÒMÓḄᣎÕÒÓᣎÕḄÖ«ÒÓḄᣎÕᓫG“1”ᓫG“1”×,4ᵨÙÒMÓḄᣎÕÚ¾[Û×ÒMÓḄᣎÕÒQÓᣎÕḄ«ÒQÓḄᣎÕᓫG“1”ᓫG"1”Ýᵨ◀ÙÒQÓᣎÕḄÚ¾஺ᫀJ14⚓ᐳ15⚓

19ூ%
௃542400x6-55=2000x4=2500(ᐗ)ÒQÓᣎÕ2500ᐗ஺30.510cm2.900mLூᑖ᪆௃(1)ºáâᵨḄã²Ḅ☢lºfI#Ḅ☢läå4

20ᫀJ16⚓ᐳ1⚓