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# 万以内数的认识 - PowerPoint PPT Presentation

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### 万以内数的认识

10000

10000张纸有多厚？

10000人有多少？

10000米有多长？

9976

9977

9978

9979

9980

9981

9982

9983

9984

9985

9986

9987

9988

9989

9990

9991

9992

9993

9994

9995

9996

9997

9998

9999

10000

A、说出紧挨着的后面一个数：

4199→

4200

5949 →

5950

10000

9999 →

B、说出紧挨着的前面一个数：

3199

← 3200

2759

← 2760

9999

← 10000

A.996、997、 、 、；

B.2270、2280、 、 、；

C.5800、5900、 、 、；

D.7632、7631、 、 、；

E.1122、2233、3344、 、 、；

540盏金属卤素灯把江面照得如同白昼，加上公路桥上