题目内容
把下列对数式写成指数式:
(1)log39=2; (2)log5125=3;
(3)log2
=-2; (4)log3
=-4.
(1)log39=2; (2)log5125=3;
(3)log2
| 1 |
| 4 |
| 1 |
| 81 |
(1)32=9;
(2)53=125;
(3)2-2=
;
(4)3-4=
.
(2)53=125;
(3)2-2=
| 1 |
| 4 |
(4)3-4=
| 1 |
| 81 |
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