题目内容
计算:
(1)
=______×______×______=______.
(2)b
(a>0,b>0)=______.
(1)
| 9×16×15 |
(2)b
| b2a |
(1)
=
×
×
=12
;
(2)b
=b?
?
=b2
(a>0,b>0).
| 9×16×15 |
| 9 |
| 16 |
| 15 |
| 15 |
(2)b
| b2a |
| b2 |
| a |
| a |
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题目内容
| 9×16×15 |
| b2a |
| 9×16×15 |
| 9 |
| 16 |
| 15 |
| 15 |
| b2a |
| b2 |
| a |
| a |