苏教版2022-2023学年辽宁省沈阳市数学七年级秋季开学摸底考试(二）含解析

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213.èᑡéB஺»᪥sêᙠëìIí|Ëìîïᣎñ9600ᐗὁsexêᣎñᦪḄV,7%5,ὁsᣎñ]ᐗò_______14.ᙠô☢õkË6ᔖ÷Ḅᙊø²ùᴻûüᨵô☢õkË4ᔖ÷Ḅᙊ┵²ÿᙽ஺ᙽᙠḄ☢2ᔖ஺ᙊ┵ᙽḄᔖ஺15.!"#"ᑖ%&45ஹ8c()*+,ᕜᡠᡂḄᙊ┵0123____cm3.16.5◀ᦪ,8◀ᦪ9ᖪᡂ<=>◀ᦪ,85◀ᦪ9ᖪᡂ<=>ᖪ,85◀ᦪ9◀ᦪᡂ<=.17.,@ᙊAᩈᧇ᝞EFᡂG@,᪵ḄᙊA⊤☢1JK6.28LMᑖ>᝞EN!OᑗQ⊤☢1JK20LMᑖ@ᩈᧇḄ01RMᑖ஺18.ST0UxᓟW᱆᱆Ḅ0U᝞Ex=25,[\]^Ḅ0U_`ᓟW஺19.᝞,aᨵcdḄᫀf1ᫀᵫ4hẠaᡂf2ᫀᵫ7hẠaᡂ[\f3ᫀᵫhẠaᡂf10ᫀᵫhẠaᡂ஺20.jᜧᝤmnoᦈqr2800ᓟWso

321.,ᙊ┵z{ᚮ}☢ᕜ~12.563஺RMz{U700ᓟWᚮz{ᐳUuZᓟWv22.ᵬஹG,@ḄG2ᔣᵬᐰ◤⌕10ᑖᐰ◤⌕15ᑖᨵ,ᩩqᵬqᑖ100q⍗ᑮRᓽ⍗ᑮᵬRᓽ᯿᪵ᙠG_¢£¤¥!ᑮG2⍗஺¦G2⍗,quZv23.,¨⊟ªḄᡂ«¬90ᐗK¬30%®¯├¤±²³ᢥc8¬Ḅµᢚ®஺·ᙠ¨⊟ªḄ¬¸uZv24.,¹ºḄᙊA»}☢!O10cm,<}☢!O~¼½»¾Z◤⌕¤5┤ÀↈÂuZLMᔖv25.ÃqÄ(ÅÆÇÈÉÊËᣎÍÎÏ.ÐஹஹoÑᣎÍÒᦪḄ<5Ó6Ó7.ÔoÑ`oÑᐳᣎÍ1170ᐗ.ÐoÑᣎÍuZᐗv26.,ÕÖ᝘ᨵ12ØqÙÚÕÖ᝘Ḅ¼qÛÚÕÖ᝘Ḅ2.᝛ÝᔜÚuZØ43f4⚓/y13⚓

4Ö᝘vf5⚓/y13⚓

5ßᫀ9à⚪â᪆,.äå⚪æᐳ3q⚪ç1.âÓ1y1-135+7=4298-25=7318X0.3=5.42362-1,-1---_726+0.2=26.264-2=882-16=6639942.âÓ(1)0.72X101-0.72=0.72X(101-1)=0.72X100=72(2)1.754-2.5X0.25=1.754-(2.54-0.25)=1.754-10=0.175(3)2.5X3.2X1.25=2.5X(4X0.8)X1.25=(2.5X4)X(0.8X1.25)=10X1=103.âÓ(1)0.5(x-2.4)=2.10.5(%-2.4)4-0.5=2.14-0.5x-2.4=4.2x-2.4+24=4.2+2.4x=6.6f6⚓/y13⚓

65(2)xÓ5185-XX_-l-xA1------854./=J_88208ö.⌱ø⚪(ᐳ8q⚪)4.âÓ(1)ᢣᓭ┐ᡃýþÿᜧᵨᩭᢣᔣḄᡠ⌱⚗/(2)0◀0Ḅᦪ"#0.%&'(3))ᨴ+,-ᨵ29ᜩ1,-ᨵ28ᜩ3ᙠ30ᜩḄ56⌱⚗CḄ&'┯9Ḅᦑ⌱;C.5.=;⌱⚗4?@+ᦪB=ᓫ@EF,ᦻHIᩖKḄᓫ@LMNLᡠOPEF,ᦻHIᩖKḄᦪBQ@RᡂMT⌱⚗8;ᙊḄᕜW+XY=Z(L)MNLᡠᙊḄᕜWQḄXYᡂMT⌱⚗C;[\X-^=_`(L)abLᡠcὁefghiᑮk᪥mnḄ-^Q1ᙳ[\ᡂpMT⌱⚗஺;rsḄt+ᒕvḄt=ᐳḄtxLᡠrsḄtxᒕvḄtᡂMTᐵz.ᦑ⌱;C.6.=:(5+5)+(45-5)X100%=104-40X100%=0.25X100%=25%;-ḄᦪMᵬ25%஺ᦑ⌱;Ao7⚓/?13⚓

7X3*5_6=/3,1_3.1_3_6yo5252545Bஹ6;50=6+50=@50Cஹ0.9;0.6=0.9+06=1.5ᡠx;ᡂMTḄW;1031852ᦑ⌱;Ao8.=;◀ᦪa10,◀ᦪa10,ᖪᦑ⌱;B.9.=;80°⚔-;180-804-2=1004-2=50\80°-:180-80X2=180-160=20\;᜜¡Ḅ\ᦪᑖ£50°x50°ᡈ80°x20஺ᦑ⌱;C஺10.=;3+60X100%=0.05X100%=5%;Ḅ¥¦᳛¨5%஺ᦑ⌱;B஺11.=;1800Xl%=18ᐗ;«¬18ᐗ஺8⚓/?13⚓

8ᦑ⌱;Bo.®¯⚪(ᐳ8±⚪)12.=;²ᦪ³´⌕¶·¸ᦪ960826650¹º»ᓟ½¾ᓝ)ÀḕᶍᓟÅÆ☢ḄÈᦪ960827000»ᓟ»ÁÂᓝḕᶍᓝÀÅÆ☢ḄÈ960800000ᦪḕᶍᓟÀÅÆ☢ḄÈ960000000ᦪḕᶍºÅÆ☢ḄÈᦪ100000000013.=;É᪥eÊᙠËÌÍÎ^¨ÌÏÐᣎÒ9600ᐗὁeQkÊᣎÒtᦪḄM7;5,ὁeᣎÒFᐗÓᑡÕ¨;9600*(ᑡ'Ö)஺7+5ᦑ9600X-5-஺7+514.=;TTX6X6X2X34-(TTX4X4)=216TC+(16TT)=13.5(ᔖØ)ᙊ┵ÚÛᙽḄÝ13.5ᔖØ஺ᦑ13.5஺15.=;জ¨ßàáᕜ☢b;3.14X3X3=9.42X3=28.26(cm2)ᙊ┵Ḅâb;28.26X4+39⚓/?13⚓

9=113.04+3=37.68cw3ঝBC¨ßàáᕜ☢b;3.14X4X4=12.56X4=50.24Cem2ᙊ┵Ḅâb;50.24X3+3=50.24cm3¡ᙊ┵èé;50.24-37.68=12.56cm3;ᡠÚᡂḄᙊ┵âbèé12.56c”ëᦑ12.56.16.=;ì¨ᖪX◀ᦪ=◀ᦪLíîḄabLᡠᖪx◀ᦪᡂpMTì¨◀ᦪ±ᖪ=◀ᦪLíîḄMNLᡠᖪx◀ᦪᡂMTì¨◀ᦪ+◀ᦪ=ᖪLíîḄMNL◀ᦪQ◀ᦪᡂMTᦑp.17.=;6.284-2=3.141ᑖØ20+2=101ᑖØᙊïḄ☢b3.141ᑖØðñᙊï☢òY1ᑖØ☢XY¨1X2=2ᑖØ104-2=5ᑖØ3.14X5=15.7óᑖØ;ôᩈᧇḄâb15.7óᑖØ஺ᦑ15.7»18.=;᱆᱆Ḅâù=úḄâùX3-8ᡠ᱆᱆Ḅâù⊤¨;3x-825+3X25-810⚓/?13⚓

10=25+75-8=25+67=92ᓟý;þÿ
92ᓟ஺ᦑ3x-8,92஺19.1ᫀᨵ4=1+3!"#2ᫀᨵ7=1+2X3!"#3ᫀᨵ10=1+3X3!"#ᡠ(஻ᨵ1+"X3=3"+1!"஺3ᨵ1+3X3=10!"10ᨵ1+10X3=31!"+3ᫀᵫ10-Ạ/ᡂ110ᫀᵫ31-Ạ/ᡂ஺ᦑ10#31஺.2ᵨ⚪!ᐳ76⚪"20.2800X!1+20%"=2800X120%=3360!ᓟ"+9:ᦈ<6=3360ᓟ஺21.12.564-3.144-2=2!?"@X3.14X22X33=3.14X22=12.56!AB?"12.56X700=8792!ᓟ"+CᚮEFᐳ
8792ᓟ஺ᦑ879222.1+!◤H"11⚓/K13⚓

11.1—1T—6=6!ᑖ"100X6=600!?"+MNO⍗Q16RST600?஺23.90X!1+30%"=90X130%=117!ᐗ"117X80%=93.6!ᐗ"+VᙠCXY⊟Ḅ\]93.6ᐗ஺24.3.14X!104-2"2+3.14X10X[10X!1+A"]5=78.5+31.4X12=78.5+376.8=455.3!aBᔖ?"+cCdefg◤⌕455.3aBᔖ?Ḅi┤kↈm஺25.6+7=1311704-13=90!ᐗ"90X5=450!ᐗ"+n:oᣎq450ᐗ.26.12X2_=3!s"412x2=8!s"3+6tuT3s16vuT8s.12⚓/K13⚓

1213⚓/K13⚓