题目内容
计算:(1)
=______(2)
×
=______(3)(
)2=______(4)
=______.
| 4 |
| 3 |
| 2 |
| 3 |
| 1 | ||
|
(1)
=2;
(2)
×
=
;
(3)(
)2=3;
(4)
=
=
.
故答案为:2,
,3,
.
| 4 |
(2)
| 3 |
| 2 |
| 6 |
(3)(
| 3 |
(4)
| 1 | ||
|
| ||||
|
| ||
| 5 |
故答案为:2,
| 6 |
| ||
| 5 |
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题目内容
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