题目内容
能简算的要简算.
①6.75×2.4+4.25×2.4-2.4②2004×
.
①6.75×2.4+4.25×2.4-2.4②2004×
| 2002 |
| 2003 |
①6.75×2.4+4.25×2.4-2.4,
=(6.75+4.25-1)×2.4,
=10×2.4,
=24;
②2004×
,
=(2003+1)×
,
=2003×
+
,
=2002+
,
=2002
.
=(6.75+4.25-1)×2.4,
=10×2.4,
=24;
②2004×
| 2002 |
| 2003 |
=(2003+1)×
| 2002 |
| 2003 |
=2003×
| 2002 |
| 2003 |
| 2002 |
| 2003 |
=2002+
| 2002 |
| 2003 |
=2002
| 2002 |
| 2003 |
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