题目内容
计算
(1)
×
-
×3-
+(
-2)0
(2)(
-2
)×
-6
.
(1)
|
| 16 |
|
| 0 |
| 3 |
(2)(
| 6 |
| 15 |
| 3 |
|
(1)
×
-
×3-
+(
-2)0
=
×4-
×3-0+1
=2-1+1
=2;
(2)(
-2
)×
-6
=3
-6
-3
=-6
.
|
| 16 |
|
| 0 |
| 3 |
=
| 1 |
| 2 |
| 1 |
| 3 |
=2-1+1
=2;
(2)(
| 6 |
| 15 |
| 3 |
|
=3
| 2 |
| 5 |
| 2 |
=-6
| 5 |
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