题目内容
(20
×1.65-20
+
×20
)×47.5×0.8×2.5.
| 94 |
| 95 |
| 94 |
| 95 |
| 7 |
| 20 |
| 94 |
| 95 |
(20
×1.65-20
+
×20
)×47.5×0.8×2.5
=20
×(1.65-1+
)×47.5×(0.8×2.5)
=20
×1×47.5×2
=
×1×47.5×2
=1994.
| 94 |
| 95 |
| 94 |
| 95 |
| 7 |
| 20 |
| 94 |
| 95 |
=20
| 94 |
| 95 |
| 7 |
| 20 |
=20
| 94 |
| 95 |
=
| 1994 |
| 95 |
=1994.
练习册系列答案
相关题目