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求不规则物体的体积 PowerPoint PPT Presentation


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人教版五年级下册数学第三单元. 求不规则物体的体积. 临河六小 李丽琴. V = abh. V = a 3. 规则物体. 不规则物体. 转化. 不规则物体. 讨论:. 上升的水的体积与土豆的体积有什么关系呢?. 上升的水的体积. 上升的水的体积即为土豆的体积. 探讨 :. 如果没有体积刻度,换成是长方体容器,不规则物体的体积该如何算呢?. 放入石块前. 6cm. 5cm. 10cm. 放入石块后. 8cm. 6cm. 5cm. 5cm. 10cm. 10cm. 上升的水的体积 = 石块的体积. 巩固练习. 5 分米. 3 分米.

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求不规则物体的体积

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3555750


V abh

V = abh

V = a3


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6cm

5cm

10cm


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8cm

6cm

5cm

5cm

10cm

10cm

=


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5

3

5

7

2

753

5


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,2,1.5,,0.2,?


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1


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2dm,5.5L15cm

15cm=1.5dm

2 2 1.5=6(dm3)

=6(L)

6-5.5=0.5L

0.5L


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2782


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251.5

2

1.5

2

2


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3

(ml)

cm

250

450200=

250

=

( )

200ml

( )

450ml


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3555750


3555750

( )


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,?


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