题目内容
计算题
(1)(0.25)
-[-2×(
)0]2×[(-2)3]
+(
-1)-1-2
(2)2log32-log332+log38-52log53
(1)(0.25)
| 1 |
| 2 |
| 3 |
| 7 |
| 4 |
| 3 |
| 2 |
| 1 |
| 2 |
(2)2log32-log332+log38-52log53
(1)原式=
-(-2)2×(-2)4+
-
=
-64+
+1-
=-
;
(2)原式=
+log38-log332-32=log34×8-log332-9=-9.
| 0.25 |
| 1 | ||
|
| 2 |
| 1 |
| 2 |
| 2 |
| 2 |
| 125 |
| 2 |
(2)原式=
| log | 223 |
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