题目内容
| 九 |
| 四 |
| 九 |
| 四 |
| 7 |
| 0 |
| 0 |
| 7 |
(1)
×15+
×8
=( 15+8)×
=18×
=4;
(4)
×13×
=
×
×13
=1×13
=13.
故答案为:15,8,
;
,
,13.
| 4 |
| 9 |
| 4 |
| 9 |
=( 15+8)×
| 4 |
| 9 |
=18×
| 4 |
| 9 |
=4;
(4)
| 3 |
| 8 |
| 8 |
| 3 |
=
| 3 |
| 8 |
| 8 |
| 3 |
=1×13
=13.
故答案为:15,8,
| 4 |
| 9 |
| 3 |
| 8 |
| 8 |
| 3 |
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