题目内容
| 3 |
| 8 |
| 3 |
| 10 |
| 1 |
| 5 |
(
-
)×
,
=(
-
)×
,
=
×
,
=
;
答:
与
的差的
是
.
| 3 |
| 8 |
| 3 |
| 10 |
| 1 |
| 5 |
=(
| 15 |
| 40 |
| 12 |
| 40 |
| 1 |
| 5 |
=
| 3 |
| 40 |
| 1 |
| 5 |
=
| 3 |
| 200 |
答:
| 3 |
| 8 |
| 3 |
| 10 |
| 1 |
| 5 |
| 3 |
| 200 |
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