2022-2023学年苏教版小学六年级下册数学升学分班考模拟测试（卷二）含解析

《2022-2023学年苏教版小学六年级下册数学升学分班考模拟测试（卷二）含解析》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

ூ
ᓣ௃2022-2023ᦟ᱐
ᦪᓣᑖὃᔁஹ1.ᑏᦪ஺0.4+0.6=0.2x03=4.5-100=0.1-0.01=0.23+0.35=100x0.7=0.12+0.4=1.4-0.8=4.24-0.7=0.13x0.4=ஹ2.Ḅ5ᔖ⁐ᑖḄᕜ☢!஺"ஹ#$3.#$஺2-34——=xi—5.4+2.5x=10.654120.65%ஹῃ'4.☢ᔜ⚪*+,Ḅ⌕ᵨ+,/஺37x54+37x1460.8x5x12.501⚓/325⚓

14ஹ⌱6⚪5.7789:;Ḅ<=779᜻ᦪ?@AḄB*ឋDE஺I121A.3B.2C.4D.36.ᵬஹGHIJKᵬI30ᓟMGIxᓟMNᵬIOP5ᓟMQᐭGISHI᪵U஺ᑡ$WḄDEX,A.30-x=5B.x+5=30c.x-10=30D.X+5=30-57.᝞⊤\Ḅ]ᐷ_`abcḄᐵe஺᝞Kᵨ஻⊤\]ᐷḄbcᵨx⊤\g1015h▤jkᙳm_cḄᔖ஺nog12hpḄbcDEᔖ஺A.h=135+2xB.4=90+2xC.h=5\+2x8.s஺Ḅ5tu20Ḅᦪᵨ';⊤\DE஺A.5஺-203567+20c.5஺+20
D.5(«—20)e9.☢w/WḄᨵDEy஺জy{|}ᯠᦪᦪᔠᦪ஺33ঝ᪷;ᡂHj0j0jMHj/s஺02⚓/325⚓

2ঞ᝞KA=8B,ᑣABḄᨬᜧᦪA஺টᕜḄஹᙊᙊḄ☢!ᨬᜧ஺A.3B.2C.1]_3io.ᜧ£”¥¦£஽ḄᑖᦪᨵDEy஺A.1B.10C.ᦪ11.©ª«|¬2.6®¯ᙠ±A26ᔖ²³|¬Ḅs´µDE஺A.10¶1B.2.6¶26C.1¶100D.100¶12212.᪷;350¹ᵨº,0¹ᵨº஺²᪷;»¼DE஺3234-10-A.10B.20C.7D.12113.᝞U¿ᑖᙊ☢!Ḅ3,À☢!Ḅ4,ᙊḄÁÂᑖÁÂᑖ☢!ḄsDE஺14.ᙠᦪᘤA4⚩Å;ᐳBÇ⊤\DEyÈḄ"Éᦪ஺A.4B.6C.8D.10ÊஹËÁ⚪15.ÌyÍ16cmḄ0¹kᙳᑖᡂ2ÐD1E,0¹ÌᑖḄyÑkᙳᑖᡂ2ÐD2E,0"¹ÀÌᑖḄy¦Ñkᙳᑖᡂ2ÐD3E஺Ò²᪵ᑖºm¹ᑖḄᨬ¦Ḅ☢!ᑖÓuÔÕDᑡ⊤᦮ᳮE¹ᦪ12345603⚓/325⚓

3ᨬ¦Ḅ☢!Dcm2E16.ᖪÙÚ©ᦻᐹÝᔠᒹßàµ;Ìᙊáâã5.3ᐗ஺ᐸOᙊáḄãæsµ;ç1.1ᐗᙊáâãDEᐗµ;âãDEᐗ஺17.Ì⊤☢⁐ḄèÍ5ᔖḄᜧéᑗᡂèÍ1ᔖḄ¦éᐳBÇᑗDEy,ᐸO☢⁐ḄᨵDEy஺18.ëëì¼íãî30ïᐗḄðñ᪷òáóô◤ö÷10%Ḅñíùúûëëì²íñᐳ◤⌕üDEïᐗ஺19.þÊÿ
⊤᪥ᵨ12Ḅᙢ஺᝞◞2☢!Ḽ#Ḅᩩᨬ&'()+☢,!ḼᙢḄᕜᨬ&'()+☢஺20.000஺◊000஺◊000஺◊.᪷23Ḅ᣸ᑡ67஺8413:)+᤮443ᐳᨵ)+஺஺21.>?ᨬ@AᔛCD3:᝛᪷2FGᝤᝤIḄJKCLMḄᡧOP3஺)1+₢RᓰCTᦪḄ)+V஺)2+᝞₢Rᨵ48kg,[\]ᨵ)+kg,✏Ⅵᨵ)+kg«22.᝞4a=5b,[\“f6ᡂ)+ij஺23.l᧜noᜩḄqrᓄtuᨬv⌱ᵨ)+OP3஺24.ᙠijyzᑁ⚗Ḅ}:ᨬ>Ḅᔠᦪᐸy᜜⚗:1.5,᜜⚗:)+஺25.20+6=3……2,᝞◀ᦪ◀ᦪ10,ᑮḄ◀Ḅᖪ:)+,ᦪ:)+஺84⚓/T25⚓

43226.1>Ḅ:)+ᑖ1Ḅ:)+ᔖ஺27.2021Gᡃ8o0ᐰo0ᐳ1411780000o¡¢ᦪᦋᑏᡂᵨ“¥''§ᓫ©Ḅᦪ:)+o,᝞ᦋᑏᡂᵨ“ª''§ᓫ©«¬ᶇz©>ᦪ:)+o஺28.®¯°Aᙢ±²Bᙢ³¯°Bᙢ±²Aᙢ´µḄtu᝞D3¶·«¸¹º⚪஺1®¯ᙠ¼8ᙢ)+ᓟḄᙢ¾ᶇ)+>஺2³¯ᡠ´ḄÀÁÂᡂijᐵÄ஺2ᑖ+3᝞®¯¬ᢝ¾ᶇÆḄÇÈf³¯É°AஹBzᙢËᔣÍ´y⌶ÏÐÑz¯ᙠ¼ÒAᙢ)+ᓟᜐË⍗஺ஹ¸¹⚪29.Õὁ×ᙠØᳫÚyᐳᢗy12ᳫᐳ28ᑖ,ÜᢗḄᨵ2ᑖᳫÝᨵ3ᑖᳫ஺Õὁ×ᢗyḄ2ᑖᳫ3ᑖᳫᔜ&ßà85⚓/T25⚓

530.᱅᱅᩟ãᨵäå᪛ᡠçGèéê஺ëëìíî⍝å᪛ᑮðᨵ&ñᕜòFº᱅᱅᱅᱅ݹÏóᩭõöM᪷50Ḅ÷øùëëFúû஺ëëûüýᐶÿᙢ
᱅᱅“ᡃ᪛5ᙌᨬ2.9J᪛Ḅ!ᔩ#$ᐔ&3.1431.'(ᐰ᪥+,-./0Ḅ12ᴉᴉ456&2007+,89:ᔁ<=ᑴᡂᡧABCD$᝞DF஺᪷IBCD(J:⚪஺
2-L:ᔁ<=ḄM+NᳫP/0ḄM+QRSPḄ$U஺
3VW/0XᜓZ[\]Q^ᔺὁabc10ᒹᜧஹghijkḄlmᐳop113ᐗ஺ᜧlmrᒹ12.3ᐗglmrᒹ9.8ᐗ஺hijkḄsmᔜuvᒹ#$⌱xyzḄ{ᶍ(J:⚪F32.}UaᏝ\ᢇ6ᜩ330᯿᪵16ᜩᡂ஺\6⚓/25⚓

6ᐳ!#(ᑡQ()33.\ᝅ᫹\ᐳ279ᐗ᫹kkḄ5,᫹kᔜ!ᐗ#34.HḄᦈp᪗X᝞£:¥.§ᦈp᪗X3ᓟ©3ᓟªᑁ7ᐗ3ᓟª¬r.1ᓟ®ᦈ2.4ᐗ(1)¯°M+±97.5ᓟ²³!ᐗ#(2)´gµM+±¶“·¸¹º”g¼ᑮ“¾ᱯÀ”Á³16.6ᐗ஺¶“·¸¹º”g¼ᑮ“¾ᱯÀÁÂᨵ!ᓟ#35.Ä1■Æ}ÇNÈÉᨵᱥËḄÌÍᨵUᕒḄÌÍÏÐÑ3707ÒÓUᕒÔÍᓭÖᐸNᵱឋÒÓUᕒ᝕ឋÒÓUᕒḄ85%,ÛÒÓÜNᵱឋஹ᝕ឋÒÓUᕒᔜᨵ!U#7⚓/25⚓

7(ᫀ:1.1Þ0.06Þ0.045Þ10Þ0.58Þ70Þ0.3Þ0.6Þ60.052ூè(௃ᶍ2.ᕜë25.7ᔖÞ☢î12.5ï¾ᔖூᑖ᪆௃ᵫDóô⁐öᑖḄᕜëᵫ\ÛᙊḄᕜë+ù¾AhᩩûḄëÞô⁐öᑖḄ☢îóªüýþᓄḄ
Ḅ☢
Ḅ☢Ḅᐭᦪᓽ஺ூ"#௃ᕜ&'3.14x5+5x2=15.7+10=25.74ᔖ67☢'5*5+2=25+2=12.549
ᔖ671X=3.x=2.l.3.x=4ூᑖ᪆௃᪷=>Ḅឋ@
ABCDEF5.4,HDE◀J2.5555-X———K
AᓄMNO412,᪷=>Ḅឋ@
ABCDE◀J440.6x=3x—᪷RSḄឋ@TK>ᓄᡂ
AO5,᪷=>Ḅឋ@
ABCDE◀J0.6஺ூ"#௃5.4+2.5%=10.65#'5.4+2.5x-5.4=10.65-5.42.5x=5.25XᫀZ1⚓ᐳ17⚓

82.5x4-2.5=5.254-2.5x=2.1r3541255_x-__#'4125555—=—+—441241x=_334——=x:—0.6540.6x=3x-#'5120.6x+0.6——0.65x=444.740023ூᑖ᪆௃ᑭᵨcᑖdeMᑭᵨcfᣚeM'ᐜijkl☢ḄmHnjklḄcᨬNjk᜜☢Ḅ◀஺ூ"#௃37x54+37x146=37x(54+146)=37x200=740020.8x5x12.5=0.8x12.5x5=10x5=2XᫀZ2⚓ᐳ17⚓

9814
—x—9\_23=82__
__=9.34=35.Bூᑖ᪆௃tuvwxᐳᨵ6z{|ᐸnᨵ3z᜻ᦪ᜜3zᏔᦪ஺ூ"#௃33+6=6=2ᦑB⚪ὃᭆ᳛ᓽឋᜧiḄ#X⚪ḄᐵᙳᒴḄ
uvᢗt᜻ᦪᡈᏔᦪᡈḄᭆ᳛ᙳ஺6.Dூᑖ᪆௃ᵬ30ᓟᵬn5ᓟNᵬEᨵ30—xᓟ¡xᓟᵬn5ᓟ¢ᐭ¡N¡Eᨵx+5ᓟ£ᵬ=ᑡ
A஺ூ"#௃ᵫ⚪¦ᑖ᪆'x+5=30—5ᦑD஺#X⚪Ḅᐵᵬ¡BᓄJNḄ@§஺7.AXᫀZ3⚓ᐳ17⚓

10ூᑖ᪆௃¨nJ©'ªᐷ10¬EḄ®135cm,᝞°ᵨ±⊤³ªᐷḄ®ᵨX⊤³´1015¬▤¶9ᙳ·¸&®Ḅᔖ610¬ᑮ12¬(12—10)¸Hc·¸&®Ḅ®ºx,m135cmᓽ⊤³ªᐷ12¬EḄ®஺ூ"#௃h=135+(12-10)x,ᓄMNO'h=135+2xᦑA⚪»⌕ὃḄ᝞½¾ᑴᢚÁ¨nÃÄÅ£᪷ᢚÁ¨ᑖ᪆ஹÇᑡ=§ᐵÈ>஺8.Bூᑖ᪆௃᪷⚪ÉRaḄ5ÊË20ḄᦪÌᵨax5,Hm20,Ìᦪᓽax5+20,ᓄMᓽ஺ூ"#௃ax5+20=5a+20ᦑBᑭᵨÍÎ⊤³ᦪJÏÐᨵÍÎḄ>vᓄMÑÒḄÓ#X஺9.Cூᑖ᪆௃জ1Ô@ᦪÕᔠᦪ┯Ø33232ঝÚvÛB¶Z¶&ÑᑣZݶ&1—S=55>5,Z¶&┯ØঞA=8B,A£BᡂÊᦪᐵÈᑣA£BḄᨬᜧÞßᦪB,┯Øটá½ᕜ&=Ḅâã¨nᙊḄ☢ᨬᜧå஺XᫀZ4⚓ᐳ17⚓

11æXᓽ஺ூ"#௃ᵫᑖ᪆'åটçᨵ1஺ᦑCé⚪»⌕ὃê@ᦪ£ᔠᦪḄᭆëᑖᦪḄÉìÏᓫî“1”ᨬᜧÞßᦪḄᭆëñ
ஹ&
£ᙊḄᕜ&☢Ḅòᵨ010.Cூᑖ᪆௃132345ᜧWiK◀êDᑖÎõ᜜öᨵ÷ËøᑖÎḄᑖᦪ᝞'.ஹ8,8,16…….ᨵúᦪ#X஺ூ"#௃3᪷ᑖ᪆ᜧõi4Ḅᑖᦪᨵúᦪ஺ᦑC#Xé⚪EÔ⌕ὃ⇋DᑖÎḄᑖᦪÕ⌕ὃ⇋øᑖÎḄᑖᦪTᑖᦪḄᑖΣᑖvᑖü᡽ᜧᑮKᩭḄ2Êஹ3Ê……ᓽÿᑮ
Ḅᑖᑖᦪ஺11.Dூᑖ᪆௃᪷Ḅ=:▭"ᐭᦪᓽ%&'஺ூ(&௃26ᔖ,=260.,260/2.6=(260x10)/(2.6x10)=2600/26=(2600-26)/(26+26)=100/1'ᫀ65⚓ᐳ17⚓

12ᦑD<⚪>⌕ὃABḄCD▭ḄᓫF⌕GH஺12.Dூᑖ᪆௃2᪷⚪IJKᐰMNOᓫF“1”ᵨᐰMX,UV6HWᵨXḄMYZI[WᵨXḄMY\]^_`᪷JKaBbc,஺ூ(&௃2235x?+?2=10+710-=7f,gᦑ'ᫀ⌱/D2<⚪ijὃA[klḄmnHk_ᐹpḄᦪHk_ᑖ᳛rstUHkᦪḄuᑖu_bc஺13.Dூᑖ᪆௃21IivwᑖḄ☢yNOa஺ivwᑖ_ᙊ☢yḄ5,|_M}~☢yḄa,ᑣᙊḄ☢y212997x§=M}~☢yx"=a஺ᙊḄ☢y_a+3='a,wᑖ☢y_^a—a=5arM}~☢y_a+W=4a,wᑖ☢y_4a—a=3a஺ᙊḄwᑖM}~wᑖ☢yḄ7_5a/3a,ᓄᡂᨬᓽ%஺ூ(&௃ivwᑖḄ☢yN_a஺27ᙊḄwᑖ☢y/a+9—a=2a'ᫀ66⚓ᐳ17⚓

13M}~wᑖ☢y/a+Z—a=3a72a/3a=7/6ᦑDHkᦪḄuᑖu_bcU`kᦪᵨ◀஺ᵨ⊤ivwᑖḄ☢y,ᵨᨵḄK⊤ᙊM}~wᑖḄ☢yᨬᑏV[ὅḄ஺14.Dூᑖ᪆௃%£ḼᑖnI4⚩¦K§¨©ᑮªFஹᓝFஹkFNᨵu©ᓽ_ᡠU஺ூ(&௃¯°£±²³´᤮VḄ¶Fᦪᨵ/400ஹ310ஹ301ஹ211ஹ220ஹ202ஹ121ஹ42ஹ130ஹ103`10kᦪ஺ᦑD15.J28cw,264CW?232cnj216c»28c»,^cm2ூᑖ᪆௃᪷¼}~Ḅ☢y½/¾Mx¾M"ᐭᦪV¾M16ᔖ,¼}~Ḅ☢y¿WÀᙳᑖHW^◀s2—WᑡÃ/16x16=256fÀ}ᔖ,gr256+2=128fÀ}ᔖ,gr128+2=64fÀ}ᔖ,gr64+2=32fÀ}ᔖ,gr32+2=16fÀ}ᔖ,gr16-2=8fÀ}ᔖ,gr8+2=4fÀ}ᔖ,g஺ூ(&௃Wᦪ123456ᨬÄ~☢y128Å32Å16cm,80n24cm2fcm2g64Å'ᫀ67⚓ᐳ17⚓

14<⚪>⌕ὃA¼}~Ḅ☢ytG⊤Çᑴ}஺16.2.51.4ூᑖ᪆௃HÉKxᐗᑣHIᙊË(x+1.1)ᐗ᪷ÌÉKHIᙊËHᐳ5.3ᐗᑡV}ÍU&ᓽ%஺ூ(&௃&/HÉKXᐗᑣHIᙊË(x+1.1)ᐗ2x+(x+1.1)=5.33x=5.3-l.lx=4.2+3x=L4x+1.1=14+1.1=2.5ᓽᙊËÎÏ2.5ᐗKÎÏ1.4ᐗ஺<⚪>⌕ὃAᑡ}Í&ᨵ[kÐᦪḄÑ⚪ÒVÓÔᐵÖ_&⚪Ḅᐵ×஺17.12554ூᑖ᪆௃᪷¼}ppy½/ØMxØMxØMUVᜧ¼}pḄpyļ}pḄpyZᵨᜧ¼}pḄpy◀sļ}pḄpyUVHᐳ%sᑗḄļ}pḄkᦪrH☢Û⁐Ḅļ}pFÝᜧ¼}pḄ¿k☢(◀XØ)ḄÞFß¿Hk☢ᨵ(5-2)x(5-2)x6k&'஺ூ(&௃5x5x5+(1x1x1)=25x5+(1x1)=125-1=125(k)H☢Û⁐/(5-2)x(5-2)x6=3x3/6'ᫀ68⚓ᐳ17⚓

15=9x6=54fkg<⚪ὃA⊤☢Û⁐Ḅ¼}pḄᱯáâã¶☢Û⁐ஹ[☢Û⁐H☢Û⁐Ḅļ}pᙠᜧ¼}pḄFß_&⚪Ḅᐵ×஺18.33ூᑖ᪆௃å`æçḄÏèNᡂᓫF"1”,çæéßê_`æçÏèḄ10%,_30x10%ëᐗ஺ì`æç◤⌕îḄïᦪ_çḄÏè+çæéßêðᐭᦪᓽ%஺ூ௃30+30x10%=30+3=33fëᐗg<⚪>⌕ὃAê᳛Ñ⚪ᳮ&éßêḄ_&⚪Ḅᐵ×஺19.724ூᑖ᪆௃Hk¾M12,Ḅ¼}~òᙢ¿◞2,õH☢ö÷øḼ
ḄHᩩ¾ᨬb%sõ12+2+1
☢ö÷rᙠHk¾MÃ12,Ḅ¼}~òᙢúᕜõö÷UV`k¼}~ḄᕜMZ◀s◞2,ᓽ%஺ூ௃᝞ý¿◞2,õH☢ö÷øḼ
ḄHᩩ¾ᨬb%sõö÷/12+2+1=6+1=7f☢grøḼòᙢḄHᕜᨬb%sõö÷/12x4+2=48+2=24f☢g஺⚪ijὃA◞Ëþஹÿ᪛
⚪ᙠ▭Ḅᮣᵨ஺20.□9ூᑖ᪆௃ᫀ9⚓ᐳ17⚓

16Ḅ᣸ᑡ!"5#$#%&ᕜ(ᑖ*ᢥ᯿□□.஺◊/0%&᣸ᑡ123441#!5#%&ᕜ(Ḅ5#ᓽ78#ᕜ(ᨵ1#஺:⌕<=>444#!5#ᕜ(Ḅ5#ᓽ?஺ூA?௃41+5=8CD....1C#DᡠG"41#!9Ḅ$#!.஺44+5=8CD...4C#D8xl+l=9C#DᡠG"᤮44#Iᐳᨵ9#஺஺᪷1⚪K>4Ḅ᣸ᑡᕜ(!?L⚪ḄᐵN஺21.1580192ூᑖ᪆௃C1D᪷1⚪PQᝤᝤSḄTUVWḄXYZ[\ᓫ^“1”,ᵨᓫ^"1”_`aWᓰḄᑖ᳛_`✏ⅥᓰḄᑖ᳛34₢gᓰḄᑖ᳛஺C2
ᵨ₢gḄYZ◀G₢gᓰḄᑖ᳛34TUVW$ᐳijkg,kᵨTUVWḄXYZxaWᓰḄᑖ᳛34aWḄYZ7ᵨTUVWḄXYZl✏ⅥᓰḄᑖ᳛34✏ⅥḄYZ஺ூA?௃1
1-25%-60%=75%-60%=15%2
48+15%=320kg
aW"320x25%=80kg
✏Ⅵ"320x60%=192kg
L⚪ὃnᡧp<Ḅqᵨ"Grs$#ᦪḄuᑖvw!ij3#ᦪ73$#ᦪḄuᑖv5!ij஺22.xᫀ10⚓ᐳ17⚓

17ூᑖ᪆௃ᑨza{bv|ᡂ~[#Z!qḄ$!qḄ$7᝞W!$ᡂx"᝞W!$ᑣᡂ஺12?஺ூA?௃.lab=᝞W44=56,ᑣ"^-4C$D஺{6ᡂx஺2⚪ᡂxஹḄZ[#Z!qḄ$!qḄ$,kᑨz஺23.ᢚூᑖ᪆௃ᢚp<᧕[4ᦪZḄij᧜ᦪZḄ_ᓄ¢£஺ூA?௃᪷1ᑖ᪆᧜¤¥$ᜩḄ§¨ᓄ¢£ᢚp<ᨬ〉ᔠ஺2⚪¬⌕ὃnp<Ḅ⌱¯qᵨ஺824.3ூᑖ᪆௃᪷1Ḅ°Lឋ²"ᙠ#ᑁ⚗vµ#᜜⚗v7ᔠᦪḄP·"ᙠ¸ᯠᦪᙠ◀º1»¼L½#¾ᦪ᜜ᨵᐸ¼Ḅ¾ᦪ᪵ḄᦪÁᔠᦪᨬÂḄᔠᦪ!4,#ᑁ⚗v!4,᜜⚗vÃ!4,kᵨ4X.5,ᓽ34Ä$#᜜⚗஺ூA?௃84-1.5=3ᑭᵨḄ°Lឋ²GrᔠᦪḄP·ÆÇ?஺25.320ᫀ11⚓ᐳ17⚓

18ூᑖ᪆௃ᖪḄᓄ"É◀ᦪ»◀ᦪÊI᡽ᜧÍÊÎᦪᡈÐÂÑÒᩭḄ5ᑖv$ᖪÔᦪÃÊI᡽ᜧÍÊÎᦪᡈÐÂÑÒᩭḄ5ᑖv$஺ூA?௃20+6=3……2,᝞WÉ◀ᦪ»◀ᦪÕ◀,>ᑮḄ◀×=ØḄᖪ!3,Ôᦪ!20஺ÙÚÛÜᖪḄᓄ!?ÝL⚪ḄᐵN஺26.4540ூᑖ᪆௃3321ÂIµ60ᑖÞ1ÂIḄWÃ!60ᑖÞḄ71àµlooᔖà1àḄÃ!2100ᔖàḄâ஺3$#ᦪḄ5ᑖv5!ijᵨ#ᦪᓝᑖäxᑖåᓽ>ᑮᫀ஺ூA?௃1ÂI=60ᑖÞ;60+4x3=15x3=45CᑖÞD71à=100ᔖà;100+5x2=20x2=4஺CᔖàD஺L⚪¬⌕ὃn3$#ᦪḄ5ᑖv5Ḅ<=ç×஺27.141178è14.12éூᑖ᪆௃Q$#ᦪᦋᑏᡂᵨ“è”\ᓫ^Ḅᦪᙠè^ḄîïðñòÂᦪñÂᦪóôḄ0`ᣵöᙠᨬ÷ø$#“è”ù஺ᦋᑏᡂᵨ“é''\ᓫ^öûᶇ^Âᦪᙠé^ḄîïðñòÂᦪñ,[Âᦪñ÷T^᪷1“ýþÿᐭ
”ᑮᦪᙠᨬ“”ᓽ஺ᫀ12⚓ᐳ17⚓

19ூ௃1411780000ᦋᑏᡂᵨ“+”,ᓫḄᦪ/141178+ᦋᑏᡂᵨ“”,ᓫ0ᶇ2ᦪ/14.12஺5⚪ὃ89᦮ᦪḄᦋᑏ;<=ᦪḄ>?@ABᨬCᦪᓫ஺28.3503F300ூ௃5⚪GH✌ᐜ⌕LMNBOPᙠQR150ᓟTUV93WXPᡠQḄZ[\W]ᕈ_ᩩabᵫ5def2ghᕈFij஺29.2ᑖᳫn8g3ᑖᳫn4gூᑖ᪆௃᪷q⚪Brsὁuᢗw3ᑖᳫxgxgᳫyᑖ3xᑖzᢗw2ᑖᳫ12—xg2ᑖᳫyᑖ(12—x)x2ᑖn_ᐳy28ᑖᑡ[n3x+(12—x)=28,[ᓽ஺ூ௃nrsὁuᢗw3ᑖ=xgᑣᢗw2ᑖᳫ12-xg஺3x+(12-x)X2=283x+12x2-2x=28x=28-24x=4ᢗw2ᑖᳫn12-4=8(g)nsὁuᢗw2ᑖᳫ8gᢗw3ᑖᳫ4g஺᪷qᐢḄrᦪᐵḄhᑡ[[஺30.3Tூᑖ᪆௃ᑭᵨḄ_Ḅ2.9Tᓽ=᪛5ᙌḄᯠ=1ᙌḄᨬᫀ13⚓ᐳ17⚓

20᪷qᙊḄᕜnC=Kd,ᓽ=᪛Ḅa¢஺ூ௃(50-2.9)+5+3.14=47.1+5+3.14=9.42-3.14=3(T)nf£᪛Ḅa¢/3T.¤⚪¥⌕ὃ8¦ᙊḄᕜḄᳮ¨©ᵨ஺31.(1)Cফ60(3)ᒹn4ᒹzᜧᒹn6ᒹூᑖ᪆௃(1)®¯ᡧ±²CNᳫ³ᓰḄµᑖ᳛ᨬ·ᩩ±²CN⊤¹ᳫ³Wᨬ·º³\»¼³ᓰḄµᑖ᳛º³\»¼³½¾¿ÀÁ³ᓰµᑖ᳛ᨬÂq5⌱²CNz(2)ᵨᳫ³ᓰḄµᑖ᳛ÄÅÀÁ³ᓰḄµᑖ᳛ÆÇÈÉ8Êᦪᓽz(3)rᒹËÌÍ9xᒹᑣᜧᒹÍ9(10-x)ᒹᜧᒹËÌ_ᒹ12.3ᐗÍ(10—x)ᒹ/12.3x(10—x)ᐗᒹËÌ_ᒹ/9.8ᐗÍxᒹᒹËÌ/9.8xᐗ■—ᐳÐÑ113ᐗÍᜧᒹËÌÒᦪ+ÍᒹËÌÒᦪ=113ᐗᑡ[n(10—x)xl2.3+9.8x=113,[ᓽ஺(1)᪷qᑖ᪆ᵨᩩ±²CN⊤¹ᔜ³GHḄÊᦪÕ⌱ÖNCz(2)200x(45%-15%)=200X30%=60(Ê)(3)nrᒹËÌÍ9xᒹᑣᜧᒹËÌ(10-x)ᒹ஺(10-x)x12.3+9.8x=113123-12.3x+9.8x=1132.5x=123-1132.5x=10x=10-2.5x=4ᜧᒹËÌÍ9n10—4=6(ᒹ)nᒹËÌÍ94ᒹᜧᒹËÌÍ96ᒹ஺ᑭᵨᡧ±²CNØyÙVÚ⚪᪷q=_gᦪḄµᑖÛÜ/Ý;<[ḄÞ▭Õᵨ஺ᫀ14⚓ᐳ17⚓

2132.1210Tூᑖ᪆௃᪷q⚪Bà,ᦔ᳛_âᑣà,h\à,W]ᡂFijzr16ᜩäåæçxTzᑡijn330n6=xn16,ij=16ᜩäåæçÝTÆ330Tᓽ஺ூ௃nr16ᜩäåxT஺330n6=xn166X=330X166x=5280x=5280-6x=880880+330=1210èTén_ᐳäåæç1210T஺¤⚪Ḅᐵê/ᐜᑨìí2îᐵḄhᡂïijÆᑡijÚ⚪஺33.ðn155ᐗz᫹n124ᐗூᑖ᪆௃44ᵫò᫹Ḅóô/ðóôḄ;rðóôõxᐗᑣ᫹óônöXᐗðóô+᫹óô=279,ᵫ5ᓽᑡ[Æ᪷q¿Ḅឋù[ᓽ஺ூ௃4nrðóôõxᐗᑣ᫹óônMxᐗ45x+x=2799öx=2799X=279-5x=155279-155=124èᐗéᫀ15⚓ᐳ17⚓

22nðḄóô/155ᐗ᫹Ḅóô/124ᐗ஺5⚪ûòüᨵ2gᦪḄÕᵨ⚪f³⚪ᵨ[iþÿ᧕
ᐵᦪḄᐵ
ᦪx,ᦪᵨxḄ⊤
ᯠᑡ!"#஺34.(1)17.8ᐗ(2)7ᓟ1ூᑖ᪆௃(1)67ᦈ9
ᑖ:;ᑖ
<;ᑖ3ᓟ1=>3ᓟ1?ᑁ
᪗ᦈ97ᐗ

23ூᑖ᪆௃᪷⚪=᝕ឋᕒᨵx
ᵫᵱឋᕒ᝕ឋᕒḄ85%,ᓫ“1”᝕ឋᕒ
ᓫ”
ᵨR
ᓽ85%x
ᵫᵱឋᕒ+᝕ឋᕒ=370,ᵫᓽᑡ!
H᪷Ḅឋ"!ᓽ஺ூy"௃"~᝕ឋᕒᨵx
ᑣᵱឋᕒᨵ~85%x஺85%x+x=370185%x=370x=370+185%x=200370-200=170¡¢#~£¤¥ᵱឋᕒᨵ170
᝕ឋᕒᨵ200஺⚪¦ᨵ:ᦪḄ_ᵨ⚪
£§⚪ᵨ!"#¨©ª᧕
ᐵᦪḄᐵ
ᦪx,ᦪᵨxḄ⊤
ᯠᑡ!"#஺#ᫀ<17⚓
ᐳ17⚓

24#ᫀ<18⚓
ᐳ1⚓