题目内容
| (
| (4+12)×
|
(1)
×
×
=
×
=
;
(2)(
+
)×
=
×
=
;
(3)(4+12)×
=16×
=12.
| 9 |
| 16 |
| 2 |
| 3 |
| 3 |
| 4 |
=
| 3 |
| 8 |
| 3 |
| 4 |
=
| 9 |
| 32 |
(2)(
| 2 |
| 5 |
| 1 |
| 10 |
| 2 |
| 15 |
=
| 1 |
| 2 |
| 2 |
| 15 |
=
| 1 |
| 15 |
(3)(4+12)×
| 3 |
| 4 |
=16×
| 3 |
| 4 |
=12.
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