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2011ߺ꼶Сѧ

Դ:51ߺҽ    :7333    :2012-3-22 9:01:03

ߺҽѼ2011ߺ꼶Сѧ


һ ܷ
÷


һ (ÿ1֣15)


12010Ϻ԰ռ3280000дλ( )
2׼ȥϺιᣬ߶α ĵͼϣߺϺľ7סصʵʾǣ km
312 : = = 60% = ( )
451հѾڵһڴ1000ԪͬϢȡСѡ( )Ԫ(עһΪ2.25%)
5һ̨ѹ·ǰԲΣֿ2mֱ1.5mǰתһѹ·ǣ
6ֶ곬иһɡһ൱ƽʱ ۳ۡ
7Բİ뾶ı2 : 3Բܳıǣ Բıǣ
8ÿǧʱ0.53ԪÿҺ2.1ԪС·aǧʱbҺС·ݵѡҺһҪ Ԫ
9꼶200˽ij98%ȱڣ ˡ
101ַֽ850ǧֽܽԼ600ǧʱԼˮ100֡ijƷվǰ»յķֽ85ֽͬʱԽԼ( )ǧʱ
11һͼͼзı߳1cmҶƬԼǣ cm2

12ͼһӿ4ˣƴ6ˣƴ
8ˡ( )ƴ30ˡ






ж (ÿ1֣6)


1100cm3ij壬߳ɷ
2ɽ1873ף³غǣ155ףɽ³ظ 1718ס
3abcǷ0Ȼa b c ô
46ķŴ󾵿һ20oĽǣĽȻ20o
520η뵽580ˮУʱκˮıǡ
6ͼһЩⳤ1Сɵһ3ף߶2׵ij塣ȥһⳤ1׵Сı䡣


ѡ (ÿ1֣6)


1ʾͼ1Oʱת90o ͼ ( )







2СҵıݻУ
A240 kg B240 ml C240 m3 D240 L

3ӼͬʱУʱ( )
Aٶһ
Bоһ
Cʱһ
Dٶȡ롢ʱ䶼һ

4ͼͼAǰ ŴͼBġ
A1U2 B2U1
C1U4 D4U1




5ͼ10˿ϴһ£ϣһšĿǣ
A B C D





6ѧУСͬѧֱǣ11ꡢ12ꡢ11ꡢ14ꡢ14ꡢ11ꡢ12ꡢ11ꡣô˵ȷ( )
Aݵƽ1111λ13
Bݵƽ1214λ12
Cݵƽ1211λ11.5
Dݵƽ1211λ14


ġ (34)


1ֱдиĽ(ÿС1֣10)
3= 15%= 0.751.5= 2.792.7 =

9999=
2ⷽ(ÿС3֣6)
80+4x=156 ã50.4




3 (ÿС3֣18)





7.542.46










塢ͼ (13֣24֣7)


1ͼһԲ׶濴ͼA濴ͼBԲ׶Ƕף









2ķͼв
1ԣ2272ͣ48Ϊε㻭һΡ2֣
2ұߵijƽ4񣬻ƽƺijΡ2֣












(67֣ÿС5֣32)

1ʵ֤ijɷְ㣬ռͼ20





2йũеġһаҹ̵һ졣һ죬İͺҹʱı5U3ȺҹСʱ







32008˻᳡ݣ񳲣ʵͶ31ԪԭƻԼˡԭƻ۶Ԫ





4СΪһ׼һڵ뾶Ϊ6ͼ²ʵ飺
1עһˮˮ߶5ף
2ʱˮ߶8ס
ʵǶף









5
















6ijһʱ̣԰͵ĸ߶Ӱӵijͼ










(1)ͼ1ежϣһʱ̣ĸ߶Ӱӳȳ________ϵ2֣

(2)2010Ϻᡰйݡͼ2ԡ֮ڡĹ˼ΪйĻľʡһʱ̲áйݡӰ41.5סϢйݡʵʸ߶ȡһλС5֣




ٶ:2011ߺ꼶Сѧ

------վԴȨԭУַȨϵǡ

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