题目内容
(1)24×(-
+
-
)
(2)|-
|÷(
-
)+(-1)100
| 1 |
| 4 |
| 1 |
| 6 |
| 3 |
| 8 |
(2)|-
| 1 |
| 2 |
| 1 |
| 8 |
| 1 |
| 4 |
①原式=24×(-
)+24×
+24×(-
)
=-6+4-9
=-11;
②原式=
÷(-
)+1
=
×(-4)+1
=-1.
| 1 |
| 4 |
| 1 |
| 6 |
| 3 |
| 8 |
=-6+4-9
=-11;
②原式=
| 1 |
| 2 |
| 1 |
| 4 |
=
| 1 |
| 2 |
=-1.
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