题目内容
求下列图形的表面积和体积.

(1)(2×
+2×
+
×
)×2
=(1
+2
+
)×2
=4
×2
=9
(平方厘米);
2×
×
=1
(立方厘米);
(2)
×
×6=
(平方厘米),
×
×
=
(立方厘米).
| 2 |
| 3 |
| 6 |
| 5 |
| 2 |
| 3 |
| 6 |
| 5 |
=(1
| 1 |
| 3 |
| 2 |
| 5 |
| 4 |
| 5 |
=4
| 8 |
| 15 |
=9
| 1 |
| 15 |
2×
| 2 |
| 3 |
| 6 |
| 5 |
| 3 |
| 5 |
(2)
| 3 |
| 10 |
| 3 |
| 10 |
| 27 |
| 50 |
| 3 |
| 10 |
| 3 |
| 10 |
| 3 |
| 10 |
| 27 |
| 1000 |
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