题目内容
能简算的要写出简算过程).
27.25-(3.86+7.25)
×2002.
27.25-(3.86+7.25)
| 2000 |
| 2001 |
(1)27.25-(3.86+7.25),
=27.25-3.86-7.25,
=27.25-7.25-3.86,
=20-3.86,
=16.14;
(2)
×2002,
=
×(2001+1),
=
×2001+1×
,
=2000+
,
=2000
.
=27.25-3.86-7.25,
=27.25-7.25-3.86,
=20-3.86,
=16.14;
(2)
| 2000 |
| 2001 |
=
| 2000 |
| 2001 |
=
| 2000 |
| 2001 |
| 2000 |
| 2001 |
=2000+
| 2000 |
| 2001 |
=2000
| 2000 |
| 2001 |
练习册系列答案
相关题目