苏教版2022-2023学年六年级下册期末数学升学分班常考易错专项提升模拟卷（四）含解析

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5ᫀ:1.Bூᑖ᪆௃ᵫ⚪==☢?ᓅ@ABCDE'FᙠHḄIJK@ᔣMNOP==ᡠᜐḄSTUVWJABCDE'Fᙠ==ḄᓅXY30஺@ᔣ\]⌱_஺ூ`a௃==☢?ᓅ@ABCDE'FᙠHḄIJK@ᔣABCDE'Fᙠ==ḄᓅXY30஺@ᔣb஺ᦑBdeᱥDḄ@ᔣᐵhiVWJḄdeVWJ"jjIᱥDᡠᙠḄ@ᔣk"j஺2.Cூᑖ᪆௃noᡂqrḄstqḄquM+\]vᔜoqḄquxyzᩭqu"M+ḄIoq|"noᡂqr஺ᡈὅvqᓄᡂᨬqqoqM"M+"M+Ḅ|"noᡂqr஺ூ`a௃A.7+8=0.875,14-16=0.875,ᡠP781416noᡂqrB.0.6^03=2,8+4=2,ᡠP060.384noᡂqrC.11090=119,ᡠP11090109"noᡂqrD.69=23,ᡠP6923noᡂqr஺ᦑC⚪ὃqrquM+ḄstqPoᡂqr஺3.Aூᑖ᪆௃ᫀ/1⚓ᐳ15⚓

644I᪷ᵯ¡ᡂs¢/I¢ᓰᐰḄ¥ᑣ/§¢ᓰᐰḄ1—§=¥ᵫ]ᑨª/I¢஺ூ`a௃ᵫ⚪«¬44/I¢ᓰᐰḄM,ᑣ/§¢ᓰᐰḄ1—M=S,]/I¢஺ᦑA⚪¯⌕q°I±ᑖᔜᓰᐰḄ²ᑖ³²|P஺4.Cூᑖ᪆௃O⌱⚗AB,᪷\ᡧ¶·x¸'Ḅ¹ᑖqv¹ᑖqᓄUᑖᦪᓽ¼ᑨªO⌱⚗C,⌕q°½t¾Ḅ᝕Àᓽ⌕¬⍝2Âᦪᵫ]¼ᑨª஺ூ`a௃ᵫᑖ᪆Ã33A.60%=5,,]ᵬ¾ḄᵱÀᓰᐰ¾2ÂᦪḄ¥]ÇÈÉd.33B.30%=10,,]ʾḄ᝕Àᓰᐰ¾2ÂᦪḄ10,]ÇÈÉd஺C.ᵬ¾᝕Àᓰ¾ÂᦪḄ40%,ʾ᝕Àᓰ¾ÂᦪḄ30%,ᵫOᵬ¾ËʾÂᦪ"deÌÈÍdᙢq°½t¾᝕ÀÂᦪ஺,]ᵬ¾Ḅ᝕ÀIeqʾ]ÇÈ┯Ð஺ᦑ⌱C«⚪Ò⌕ὃᡧ¶·x¸ḄÓᵨ஺5.Dூ`a௃ᶍ254J_6.1569.10ᫀ/2⚓ᐳ15⚓

7ூ`a௃ᶍ7.x=200x=5ூᑖ᪆௃(1)᪷\+ÙḄឋÛ@ÜsÝjÞb28,j◀P30%ᓽa1±1(2)᪷\qrḄàឋÛ8=10x4,t@ÜḄsÝjá8ᓽazqr஺xூ`a௃30%x—28=32a30%x=60x=60-0.3x=200_L_LJ10=48x1-L1a8=10x4xJ_8x=401x=40xg1x=5338.65165ூᑖ᪆௃(1)65%ᓄU0.65,ᯠäᵨáÈᑖåæ¼xyᓽ஺(2)ᨵèéḄᐜyèéë☢Ḅyèé᜜☢Ḅèé᜜☢Ḅᢥ᯿ïᑮðḄñò¼xy஺473(3)0.8ᓄU◀P3ᓄUáóᯠäᵨáÈᑖåæ¼xyᓽ஺ூ`a௃0.65x101-65%ᫀ/3⚓ᐳ15⚓

8=0.65x101-0.65=0.65x(101-1)=0.65x100=6528ô3ஹ—4-—X(1——)394281——■--x—=39431—x—=443=1639.1128.12.87ூᑖ᪆௃11281372iItôSᦪ÷Sbi8,ᙠ÷SḄäÝJbᦪJøᶇISᦪ|ᓝᑖSä☢ḄᦪḕᶍN¹ᑖSbḄᦪ+OᡈᜧO5ÓᔣᓝᑖSb¼1äḕᶍᨬäÞb÷ûᓽ286738635iItüSᦪýSbi2,ᙠýSḄäÝJbᦪJøᶇsSᦪ|¹ᑖSä☢ḄᦪḕᶍNᓟᑖSbḄᦪ+OᡈᜧO5Óᔣ¹ᑖSb¼1äḕᶍᨬäÞb“ý”ᓽூ௃11281372ᦋᑏᡂᵨ“”ᓫḄᦪ1128.1ᶇᦪ!286738635ᦋᑏᡂᵨ“$”ᓫḄᦪ2.87$ᶇ%ᦪ!஺'()*ᦪḄ+,ᦪḄ-./0⚪Ḅᐵ3஺10.16158067ᫀ94⚓<ᐳ15⚓

9ூᑖ᪆௃᪷AᑖᦪḄB0ឋDEᑖᦪḄᑖFGᑖHIJKᡈ◀NOPIḄᦪ0◀᜜!<ᑖᦪḄᜧ42112ST5=20=15,W᪷AᑖᦪX◀.ḄᐵYEᑖFZ◀ᦪ<ᑖH◀ᦪ1612ᐗ=16+20ᑖᦪX]ḄᐵYEᑖF]Ḅ^⚗<ᑖH]Ḅ`⚗<>5=12:15Wc44dᓄᡂᦪ<5=0.8,᪷AᦪᓄfᑖᦪḄg.Eᦪhᔣjkl%=>ூᑖ᪆௃O0ᦪ<◀N1Ḅᦪ<ᖪᜧZ◀ᦪ<9⚪Av7%Ḅ16.21.24x100G1.24-0.011.24x100=1241.24-0.01=124124=124,ᡠN1,24x100=1.24-0.01545354328G78=56.7=569353254ு<ᡠN0⚪ὃyᖪXZ◀ᦪḄᐵY<ᦪK◀.Ḅ

1012.2ூᑖ᪆௃]ḄឋDᢣᙠ]<%ᑁ⚗Ḅ%᜜⚗Ḅ᪷A%O᜜⚗|᎔ᦪ<¡%Oᑁ⚗Ḅ¢|᎔ᦪ<£Oᑁ⚗ᨬḄDᦪ2,ᡠN¥Oᑁ⚗2Ḅ᎔ᦪ5஺ூ௃ᨬḄDᦪ2)ᙠO]¦<%O᜜⚗|᎔ᦪ<ᐸ¦Oᑁ⚗ᨬḄDᦪ<¥Oᑁ⚗5஺v⚪ὃy]ឋDḄ¨ᵨ<¢ὃy©᎔ᦪḄª«¨ᵨ஺4513.99ூᑖ᪆௃cOᱥ®ᙳᑖᡂ°±²<ᓰᐸ¦Ḅq²<ᑖᦪ⊤µqᑖtq

11'É-]ÈGᓄÆ]Ḅg.<ᑗËÌÍ஺15.5E2ூᑖ᪆௃᪷A]ḄB0ឋD7<ᓽ]Ḅ^⚗G`⚗IJKᡈ◀NOᦪ0◀᜜!<]ÈST஺ூ௃-:0.2585=8x8!E0.25x8!=5E2v⚪¿⌕ὃy©ᓄÆ]Ḅg.<¥᜜Î⌕ϪᓄÆ]ḄO]<ÐḄ^⚗G`⚗Ñ᦮ᦪ<ÒÓ|Dᦪ஺16.8ூᑖ᪆௃ᎷÕ10⍝⚪ᐰØÃ<ᑣÚ10x10=10஺ᑖ!<Û]Ü▭ÞÚ100—70=30ᑖ!£Ø┯⚪]ØÃ⚪á10+5=15ᑖ!<ᡠNØ┯3gl5=2⍝!⚪<ᵨ10ä2ᓽ-ØÃÞá⍝⚪஺ூ௃10x10=100ᑖ!100-70=30ᑖ!10+5=15ᑖ!30+15=2⍝!10-2=8⍝!v⚪åæᐢIè~⚪<Ûé⚪Ḅᐵ3ᵨᎷÕ.ᑖ᪆<êÚë¢Nᵨgì7஺17.17.57ᫀ97⚓<ᐳ15⚓

12ூᑖ᪆௃᪷Aᑭî=0ïXᑭ᳛Xñò<óᐭᦪA7ᓽ஺ூ௃1000xl.75%xl=17.5x1=17.5ᐗ!ᑮòJöNᣎ17.5ᐗ஺0⚪ὃy©ñøᑭîPᐵ~⚪<ᐵ3'ÉùúEᑭî=0ïxᑭ᳛xñò஺18.4125.6ூᑖ᪆௃cᙊüᩈᧇᑗᡂ%Oÿᐰ
᪵Ḅᙊᑗ☢Ḅ☢ᑗ☢ᙊḄ1ᙊ☢Ḅ!"#$⊤☢&80(ᑖ*+!ᑗ☢Ḅ☢80(ᑖᵨ80+2,-.
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2x1஺=3.14x4x10=12.56x10=125.6FHᑖG@AI⚪ḄᐵLMNᙊOᑗᡂᙊ⊤☢ᑗ☢Ḅ☢"0ᑭᵨ!☢34-.ᙊ☢Ḅ"RSTUVᵨᙊḄ=34஺WXᓫZ[ᦪḄ\
.Aᫀ_8⚓ᐳ15⚓

1319.1
2625ফ58cᢈ3
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{ᵱஹ᝕fghᦻ}klᱥḄnᦪ-஺ᑖ~-.ghᔜklᱥḄᵱஹ᝕fnᦪ0oᜧ஺F3
᪷2\y⊤᝕fghᦑjklᱥḄnᦪoᵱfghᦑjklᱥḄnᦪq35—25=10n஺1
27—2=25FnG52-2=26FnG\678ᦪ\ᦑjkcᢈkᔊtkᦻ}kkᵱf2552271242᝕f35262546352
12+46=58FnGᑣᵱஹ᝕fghᦻ}klᱥḄ
ᐳᨵ58n"25+35=60FnG52+26=78FnG27+25=52FnG42+35=77FnG78>77>60>58>52ghcᢈklᱥḄᵱஹ᝕fnᦪᨬq஺3
35-25=10FnGAᫀ_9⚓ᐳ15⚓

14\y⊤zḄᦪ2&᝕fghᦑjklᱥḄnᦪoᵱfghᦑjklᱥḄnᦪqioAoI⚪ὃ4\y⊤Ḅᦪ2ᑖ᪆᦮ᳮ஺᪷2\y⊤.◤⌕Ḅᦪ2ᑡ4yᓽ?஺20.xூD@௃Ḅᙊ┵Ḅ=ᙊ=Ḅ§⚪¡┯£஺ᦑx21.┯£ூD@௃ᶍ22.xூᑖ᪆௃᪷2ᔠᦪ¦ᦪḄX§5
¨ᯠᦪ◀&1ª«ᦪ᜜ᨵᐸªḄ«ᦪ᪵Ḅᦪ®¯ᔠᦪ
¨ᯠᦪ᝞±²ᨵ1ªI³«ᦪ᪵Ḅᦪ®¯¦ᦪ"a⊤´µḄ¨ᯠᦪᓽa1,2,3……¶·Mᑨ¹2aºᔠᦪ஺ூD@௃aµ0¨ᯠᦪᎷ¼a=l2x1=2,2¦ᦪºᔠᦪᡠR¾a⊤´µ0¨ᯠᦪ¿À2aº
Áᔠᦪ஺⚪¡┯£஺ᦑxI⚪ὃ¦ᦪᔠᦪḄX§᪷2¦ᦪᔠᦪḄX§ÃÄ@A஺23.xூD@௃Aᫀ_10⚓ᐳ15⚓

15ᶍ24.xூᑖ᪆௃ÈÉᖪËḄÌÍÎᓫZ“1”,Ì=Ìx(1+30%)x70%,-.ÌÌoᜧ2Ù@A஺ூD@௃Ꮇ¼ÌÚ1஺Ûᢚ=70%1X(1+30%)X70%=13x0.7=0.91«ÚᡠRÌீÌ஺ᦑX30%ḄᓫZà”ᖪËḄÌÛᢚḄᓫZ“1”ÌáÌ30%ḄÌâWXãὅḄå~஺25.(1)(2)(3)çD@ூᑖ᪆௃(1)᪷2(èḄᱯêÈëz!Ḅᔜ⚔íᑖ~ᔣï(è10âðñòóᓽ?ôᑮ(èḄë!"(2)᪷2ö÷Ḅᱯê!øíOúû┐ö÷90஺íOḄZýºþë!ḄᔜÿᑖᙳᢥᔣḄᦪᓽḄ(3)Ḅ43᪷"#ᜧ%&'Ḅ()ᢥ2+1᡽ᜧḄ(4x2)(3x2)"ᓽ᡽ᜧḄ஺ூ12௃(1)ᔣ45610Ḅ(89⁐;ᑖ)+(2)O=>┐ᔣ90஺Ḅ(8A⁐;ᑖ)(3)ᢥ2+1᡽ᜧḄ(8B⁐;ᑖ)CᫀE11⚓ᐳ15⚓

164x2=8JK3x2=6JK56ஹMஹᜧ'NOJᦋOᔣ56NᦋOᔣKᦋOḄQR#ᜧᡈ&'MNOᦋOḄᜧ'஺26.320ᓟUூᑖ᪆௃3WᵬYḄZxᓟU/'>ᑣ]YḄZSxᓟU/'>᪷"⍗>ᵬY_]Y`a80ᓟU"ᑡc2cᓽ஺ூ12௃32+WᵬYḄZxᓟU/'>ᑣ]YḄZᓟU஻e>஺34x—5xx4=801.6x=80x=50350+50x5
x4=80x4=320JᓟUKC+fᙢh320ᓟU஺CᫀE12⚓ᐳ15⚓

17i⚪ὃlᵨc2no▭q⚪rsᦪtᐵv2⚪Ḅᐵw஺227.z12{|ூᑖ᪆௃_L_L1}~|ᓫQ“1”,E~|ᒕ|>|,!1112|E3|3|ᨵᨵ2|ᡠᔜ5|Ḅ3+}55ᙳᑖᡂ3¡}“1”5ᙳᑖᡂ6ᐸ¤Ḅ~,]_¥¦EḄ§¨|ᵨE~Ḅ©EḄ§f~ᐳḄ஺ூ12௃᝞+9:;<=>29:;<—>Ḅ~>?ᒕ1>[=^>232E~Ḅ+|E~«ᒕ8+1~5=J|K111EḄ+2|Ḅ3,ᓽ6|f~ᐳ+112631=—I—66_2~3J|K2C+f~ᐳ§|஺i⚪ὃl²ᑖ³ᑖᦪ´µḄ¶·¸¹ᵨᐵwºEḄ»¼½(CᫀE13⚓ᐳ15⚓

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20CᫀE16⚓ᐳ1⚓