题目内容
(1)计算:(0.0625)-
-[-2×(
)0]2×[(-2)3]
+10(2-
)-1-(
)-0.5
(2)计算:
.
| 1 |
| 4 |
| 7 |
| 3 |
| 1 |
| 3 |
| 3 |
| 1 |
| 300 |
(2)计算:
| ||||||
| (lg0.3)(lg1.2) |
(1)原式=(
)4×(-
)-22×(-2)+
-
=2+8+10(2+
)-10
=30.
(2)原式=
=
=
=-
.
| 1 |
| 2 |
| 1 |
| 4 |
10(2+
| ||||
(2-
|
| 300 |
=2+8+10(2+
| 3 |
| 3 |
(2)原式=
| ||||||||
lg?
|
| ||||||
| (lg?3-1)?(lg?3+2lg?2-1) |
=
(1-lg?3)?
| ||
| (lg?3-1)?(lg?3+2lg?2-1) |
| 3 |
| 2 |
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