题目内容
计算题
(1)(-8)÷[(-
)×(-
)÷(-2
)];
(2)(-36)×(-
+
-
);
(3)(-
)2÷(
-
)2÷|-6|2×(-
)2
(4)|
-1|+|
-
|+|
-
|+…+|
-
|
(1)(-8)÷[(-
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 4 |
(2)(-36)×(-
| 4 |
| 9 |
| 5 |
| 6 |
| 7 |
| 12 |
(3)(-
| 1 |
| 6 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
(4)|
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 2009 |
| 1 |
| 2008 |
(1)原式=-8÷[(-
)×(-
)×(-
)]
=-8÷(-
)
=-8×(-16)
=128.
(2)原式=(-36)×(-
)+(-36)×
+(-36)×(-
)
=16-30+21
=7.
(3)原式=
÷(
)2÷36×
=
×
=
.
(4)原式=1-
+
-
+
-
+…+
-
=1-
=
.
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 9 |
=-8÷(-
| 1 |
| 16 |
=-8×(-16)
=128.
(2)原式=(-36)×(-
| 4 |
| 9 |
| 5 |
| 6 |
| 7 |
| 12 |
=16-30+21
=7.
(3)原式=
| 1 |
| 36 |
| 1 |
| 6 |
| 1 |
| 4 |
=
| 1 |
| 36 |
| 1 |
| 4 |
=
| 1 |
| 144 |
(4)原式=1-
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 2008 |
| 1 |
| 2009 |
=1-
| 1 |
| 2009 |
=
| 2008 |
| 2009 |
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