人教版2022-2023学年河北省秦皇岛市昌黎县数学升学分班试卷（二）含解析

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7445x9.9+5xO.l4=5x(9.9+0.1)4=5xio=828.7-(18.7-6.2)=28.7-18.7+6.2=10+6.2=16.22-3.68x[l+(10-2.09)]=3.68*[1+(2.1-2,09)]=3.68x[1^0.01]=3.68x100=3685.Bூᑖ᪆௃᪷HcdᦪᓰfcdᦪḄgᑖhiḄj#6klmnmᦪoὁkmḄgᑖhi6qrs100%tunḄklmᓰnklmᦪḄgᑖhi6qrs50%ூ=>௃A.klmnmᦪoὁkmḄ110%ᔠᳮ6tunḄklmᓰnklmᦪḄ45%yz,qrs50%,ᡠ|⌱⚗~#┯B.klmnmᦪoὁkmḄ110%,tunḄklmᓰnklmᦪḄ65%,~#?C.klmnmᦪoὁkmḄ90%yz6qrs100%,tunḄklmᓰnklmᦪḄ65%,ᡠ|⌱⚗~#┯D.klmnmᦪoὁkmḄ100%yz6qrs100%,tunḄklmᓰnklmᦪḄ65%,~#┯஺ᦑBAᫀC3⚓6ᐳ13⚓

8⚪cᵨ⊤ᓫ'T'Ḅ◀ᦪ஺6.Aூᑖ᪆௃5ᐭ100/6ᑣḄJ(100+5)6Ḅ-J(5+100)?5,ᓄ'ᓽ஺ூ=>௃(100+5)5=1055=211ᦑAḄoḄo>⚪Ḅᐵ¡஺7.Bூᑖ᪆௃ᙠ¢ᜳ¤¥6⌕᪷Hjᔣᩭ¢6-᝞ᓅ«¬6oᓅjᔣzq¤ᘤ¯Ḅ0°°±²஺ூ=>௃A.³´ᙠµ᪥ᓭ«¸30஺jᔣ¯6⌱⚗~#┯B.µ᪥ᙠ³´ᓅ«¬30஺jᔣ¯6~#C.³´ᙠµ᪥¸«ᓭ60஺jᔣ¯6⌱⚗~#┯஺ᦑB¹jᔣº»¼ᔠ½ᩭ¾¿À¥6⌕ÁÂÃd⌕Ä?coÅÆÇ6Èojᔣ6Ãoº»஺8.Bூᑖ᪆௃AᫀC4⚓6ᐳ13⚓

9ᵫ²Ê-.Ë6̯1ᔖÎÏ⊤Ð▭º»100ᓟÎ6-.Ë=̯º»+Ð▭º»6H>A஺ூ௃100ᓟÎ=10000000ᔖÎᦪ!-.ËJ?1ᔖÎ?10000000ᔖÎ=1:10000000ᦑBÔÕ-.ËḄÂÖo>A⚪×Ḅᐵ¡஺9.Cூᑖ᪆௃RḄØÙÚᓫ“1”,RÝḄØÙᓰRØÙḄ(1-10%),᪷H-cdᦪÞ(ß)gᑖhiḄᦪoÞßḄMNj#>A஺ூ௃A.RÝḄØÙÚᓫ“1”6RÝḄØÙx(1+10%)=RḄØÙ6⊤RḄØÙ-RÝÙ10%,┯B.RÝḄØÙÚᓫ“1”6RÝḄØÙx(1-10%)=RḄØÙ6⊤RḄØÙ-RÝà10%,┯C.RḄØÙÚᓫ“1”,RḄØÙX(1-10%)=RÝḄØÙ6⊤RÝḄØÙ-Rà10%,஺ᦑCâcdᦪ6-ãdᦪÞ(ß)gᑖhiḄᦪoÞßḄMNj#?ãdᦪX(1ägᑖ᳛)஺10.æçæçèᓟéêë98004ëூᑖ᪆௃᦮ᦪᨵidᦪoiᦪ6îïCcoᨬÙ᦮ᦪḄð#?ñÙᑮó6côcôᙢð6öô÷øḄ0ùyðᩭ6ᐸûᦪ¯ᨵcdᡈýþid0,ùÿ
“”᦮ᦪᦋᑏᡂ“”ᓫḄᦪᣵ☢Ḅ40,ᙠᦪḄ☢ᑏᓫᫀ"5⚓ᐳ13⚓

10“)ூ+,௃980040000
0ᦪ1Ḅᨬ345ᦪ6047ᓟ9ᦋᑏᡂᵨ6ᓫḄᦪ98004஺<=>?᦮ᦪḄᑏ@ᦋᑏAB,C⚪ḄᐵF஺11.27251860ூᑖ᪆௃3ᐜNOᡂᓄᡂQᑖᦪᓽ60%,ᯠN60%ᓄᡂᑖU100ḄᑖᦪᓄV5327᪷XᑖᦪḄYCឋ[SḄᑖU]9^45,ᑖ_`]9^27,ᓽ45315SḄᑖ_]5^15,᪷XᑖᦪḄYCឋ[ᑖU`]5^25,ᓽa᪷Xᑖᦪbc15ḄᐵdNeᦋᑏᡂ15:253185ḄᑖU]6^30,᪷XᑖᦪḄYCឋ[,ᑖ_`]6^18,ᓽ30᪷Xᑖᦪb◀18hḄᐵdN30ᦋᑏᡂ18+30஺ூ+,௃Oᡂ=60%60360%=10°-533x9275=5^9=4533x5]_5”5=5x5=25,25=]5q2533x6rr5=5x6=30,30=18-3027ᓽ45=15q25=18+30=Oᡂ=60%஺>?ᑖᦪḄYCឋ[ஹᑖᦪbcḄᐵdஹᑖᦪb◀hḄᐵdtᡂᦪஹQᑖᦪஹᑖᦪḄuᓄ,⚪ḄᐵF஺12.1ஹ2ஹ3ஹ4ஹ6ஹ1212ᫀ"6⚓ᐳ13⚓

11ூᑖ᪆௃12Ḅvᦪᨵ:123461224Ḅvᦪᨵq123q4681224q12@24xᨵḄvᦪ5yᦪḄxvᦪᐸ{ᨬᜧḄxvᦪ1}Ḅᨬᜧxvᦪ஺ூ+,௃12@24Ḅxvᦪᨵ1ஹ2ஹ3ஹ4ஹ6ஹ12ᐸ{ᨬᜧxvᦪ12o<=>?xvᦪbᨬᜧxvᦪḄᱯ,⚪ḄᐵF஺13.6ூᑖ᪆௃᪷X“cḄ⚗=cḄ⚗+c”`ᐵdᦪXᐭ,ᓽ஺ூ+,௃£2+3=6C⚪⌕ὃcḄ⚗ஹ⚗bcḄᐵd஺14.16q30ூᑖ᪆௃ᐜN90ᑖᓄᡂ130ᑖᯠᵨ15130ᑖᓽ஺ூ+,௃90ᑖ=130ᑖ15+130ᑖ=1630ᑖᓽ᝞15q00ὃ`ᙠ16q30¡¢ὃ£஺⚪ὃḄ¤Ḅ¥<=>?bᑖḄᣚ,⚪ḄᐵF஺15.87ᫀ"7⚓ᐳ13⚓

12ூᑖ᪆௃ᵨ§¨©ᙳᡂ«]3,¬§¨ᡂ«஺¨®y¨Ḅᡂ«ᓽ¬"§¨Ḅᡂ«஺ூ+,௃70x3-57-66=210-57-66=153—66=87¯°±ᑣ"§¨³´⌕µ87°஺C⚪ὃ©ᙳᦪ¶·Ḅ¸▭`ᵨ஺
ºᦪXḄ@◀5ºᦪXᦪᡠ^ᑮḄᖪ¾5ºᦪXḄ©ᙳᦪ஺16.6ூᑖ᪆௃ᐜ¿ÀÁÂÃḄO☢ᑖÄᑏḄᦪÅᨵÆÇÈὃÁ☢ÉḄÊឋᨵÆÇᑣÉḄÆÇᦪÅ஺ூ+,௃Ë
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⍝ᐵÏÊឋḄᦪÐ⚪ᐵF⌕ÊÁÑᳮ,ÊឋḄÓ·ÔÕ,஺17.27ூᑖ᪆௃᪷Xᙊ×ÃØÙÏ@1ÙÚÙ3Ḅᙊ┵ḄÃØḄ3ÜX,஺ூ+,௃ᵫᑖ᪆^9x3=27¯ÞÂß±⚪ὃḄᙊ×ḄÃØḄ>?ᙊ×ÃØÙÏ@1ÙÚÙ3Ḅᙊ┵ḄÃØḄ3Üᫀ"8⚓ᐳ13⚓

13,⚪ᐵF஺18.পᖆ(2)4(3)133160ூᑖ᪆௃(1)᪷Xᢚâãäåæᖆᐜçèéêᡠëᐜᑮìí(2)᪷Xᢚâãäåæ"4ᑖyîḄïðñÙÌ600ß(3)᪷X©ᙳᦪḄhᵨᖆḄïð◀ëḄ¤¬ëḄ©ᙳòó஺ôᳮ¬õḄ©ᙳòó஺(1)ᖆᐜᑮìí஺(2)4ᑖyîéḄïðñô஺(3)800-6-133(ß/ᑖ)800+5=160(ß/ᑖ)ᡠõḄ©ᙳòó133ß/ᑖᖆḄ©ᙳòó160ß/ᑖ஺C⚪ὃùᢚâãäÊ᪷Xãäúûᨵᵨüý,⚪ḄᐵF஺19.xூᑖ᪆௃0᤬ÿ
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0᤬ᨵḄᑖ஺ூ௃0᤬ᨵ⊤Ḅᑖ஺ᦑX"#ᳮ0᤬⊤%Ḅᑖ⚪'Ḅᐵ)஺ᫀ+9⚓ᐳ13⚓

1420.4ூ௃/0131+31+30+31+30+31=1842ᜩ4ᡠ
5670890/0Ḅᜩᦪ;184ᜩ஺ᦑ<21.Yூᑖ᪆௃ᓫ?=A?+ᦪCDᑨF஺ூ௃᪷ᑖ᪆HIJIA?ᦪCH
KLᓫ?Mᦑq⚪ὃOḄPQR⚪ḄSTUVWXA?ஹᓫ?ஹᦪCZ[Ḅᐵ\⚪Ḅᐵ)஺22.xூᑖ᪆௃6.26.20ᙠᜧ_`ab6.2ḄSᦪᓫc0.1,⊤62dᓝᑖZfM6.20ḄSᦪᓫc0.01,⊤620dgᑖZfMᵫᑨF஺ூ௃ᵫᑖ᪆HI16.26.20Ḅᜧ_`aijḄSᦪᓫck`lmn┯pMᦑᫀX஺q⚪ὃOr_ᦪḄst_ᦪḄcᦪlij⊤ḄSᦪᓫcu`lstk`l஺23.4ூᑖ᪆௃ᫀ+10⚓ᐳ13⚓

15᪷ᙊḄᱯxHI1ᙠlᙊᡈaᙊzlfᙊ{ᡠᨵḄ|};`aᡠᨵḄ/}k`a;ᑨFᓽH஺ூ௃᪷ᙊḄᱯxH1ᙠlᙊᡈaᙊzᡠᨵḄ/};`aᡠᨵḄ|}k;`a஺ᦑ

16(2)°±Ḅ²³¥¦´1256¬ᑖூᑖ᪆௃(1)¸ᙊ┵Ḅ²³V=3ᐔpxh,ᑣᙊÁ²Â☢³XÅXÆz1ᐔÇÈÉÊᨵÂ☢/}ËÅdᦪÉÌᨬᜧᓽÂ☢/}10ᑖஹÅ6ᑖᑮḄᙊ┵²³ᨬᜧM(2)°±Ḅ²³¥¦´ᙊ┵²³ḄÏ஺ூ௃(1)V="r2xh2=5x3.14x102x6=628(¬ᑖ)1°ᡂḄᙊ┵Ḅ²³ᨬᜧ628¬ᑖ஺(2)°±Ḅ²³¥¦´628x2=1256(¬ᑖ)1°±Ḅ²³1256¬ᑖ஺⚪Ö⌕ὃOᙊ┵Ḅ²³ḄSTWX×ᙊÁᙊ┵aÂaÅ°LḄᙊ┵Ḅ²³ᨬᜧ⚪ᐵ)஺27.60ᔴ;80ᔴ;100ᔴூᑖ᪆௃᪷ÚÛஹÜÝÞÜḄ«345,HᐜKLàáᱥãᐳᨵ¥¦äå◀240,KLäḄæCᯠ¨ᑖ¡¢ᔜáᱥãᓰḄäᦪᓽH஺ூ௃(1)3+4+5=12240+12=20(ᔴ)20x3=60(ᔴ)20x4=802ᔴ4ᫀ+12⚓ᐳ13⚓

1720x5=1002ᔴ41◤⌕ÚÛ60ᔴÝÜ80ᔴÞÜ100ᔴ஺⚪ὃOḄᢥ«ᑖêḄëᵨ⚪q⚪Ḅᐵ)᪷◀nḄstKL䥦ᑖ᪆ᦪCᐵ\ì஺28.720ᓟூᑖ᪆௃3j_3©ᐰðñᓫc“1”ìᑮᐰðḄ8ôz2ᐰðḄõ48ᨵᐰðḄ25—84,JI13ôz8ᨵ90ᓟᑣᵨ90◀
25—84ᓽHKLᵬùᑮúùfᐳᨵ¥¦ᓟ஺ூ௃390+22-84=90+8=7202ᓟ41ᵬùᑮúùfᐳᨵ720ᓟ஺üIfdᦪḄᑖZ¥¦Kdᦪᵨ◀nST஺q⚪zKL90ᓟᓰᐰðḄᑖZ⚪Ḅᐵ)஺ᫀ+13⚓ᐳ13⚓

18ᫀ+14⚓ᐳ1⚓