摘要:计算下列各题: (1)= , (2)()2= , (3)= , (4)= ,(5) ,(6) (7)55÷54= , (8)(102)6= , (9)(-3x)2= ,
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计算下列各题:
(1)(2
+3
)×(2
-3
)
(2)(
-
)2×(5+2
)
(3)
÷
(4)3
÷(
)
(5)
×
÷(-
)
(6)(3-2
)2×(3+2
)2.
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(1)(2
| 3 |
| 2 |
| 3 |
| 2 |
(2)(
| 3 |
| 2 |
| 6 |
(3)
|
2
|
(4)3
| 20 |
| 3 |
| 4 |
2
|
(5)
| 15 |
| 3 |
| 5 |
| 20 |
| 1 |
| 3 |
| 6 |
(6)(3-2
| 2 |
| 2 |