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2019մѧٿ-вģ⣨4.24

2019-04-24 20:53:41| йѧٿ

2019մѧٿѾ½ʼΪֱйմѧٿΪṩˡѧٿģ—ÿһͬʱΪṩ˿Ѷʱעմѧٿ

ϣش1-5⡣

1.1~9·ݣزͶٱ1-8·( )

A.0.4ٷֵ B.0.4ٷֵ

C.0.7ٷֵ D.0.7ٷֵ

2.9·ݣزͶ( )Ԫ

A.1670 B.1631 C.1680 D.1731

3.1~8·ݣزͶʶвزͶʶĺ( )

A.7300Ԫ B.7300Ԫ

C.6544Ԫ D.6544Ԫ

4.1~9·ݣвƽÿ·زͶʶﵽ( )Ԫ

A.1126 B.1206 C.1216 D.1316

5.ܹп( )

A.زͶٶ

B.δҹزͶʵս

C.زͶѾӽͣӦӴ۵

D.9·ݣزͶʶƽΪ2453Ԫ

Ŀ

1.𰸡Bйͼο֪1-9¶زͶΪ14.5%1-8µ14.9%14.9%-14.5%=0.4%0.4ٷֵ㣬ӦѡB

2.𰸡Aйͼο֪9زͶΪ(10929-9259)Ԫβ29-59=-30βӦΪ-30+100=70ӦѡA

3.𰸡Cйͼο֪1-8вزͶʶĺΪ9313+9259=18XXXԪСڶ25116ԪʶزͶʶвĺͶ(25116-9313-9259)Ԫβ6-3-9=-6βӦΪ-6+10=4ӦѡC

4.𰸡Cйͼο֪1-9вƽÿ·زͶʶﵽ10944÷9=1216ԪӦѡC

5.𰸡DйAͼο֪1-8º1-9¶زͶٵ;

Bɱϵ3֪һʱڣҹزͶʵս;

C޷еó“زͶѾӽ”Ľۣ޷ȷ;

Dͼο֪9زͶʶƽΪ[(29173-25116)+(10944-9313)+1670]÷3=(4057+1631+1670)÷3=7358÷3=2453Ԫȷ

ϣӦѡD

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