题目内容
(1-
)×(2-
)×(3-
)×…×(8-
)×(9-
).
| 1 |
| 2 |
| 2 |
| 3 |
| 3 |
| 4 |
| 8 |
| 9 |
| 9 |
| 10 |
(1-
)×(2-
)×(3-
)×…×(8-
)×(9-
)
=
×
×
×…
×
,
=(1×2×3×…×8×9)÷10,
=3×4×6×7×8×9
=36288.
| 1 |
| 2 |
| 2 |
| 3 |
| 3 |
| 4 |
| 8 |
| 9 |
| 9 |
| 10 |
=
| 1 |
| 2 |
| 4 |
| 3 |
| 9 |
| 4 |
| 64 |
| 9 |
| 91 |
| 10 |
=(1×2×3×…×8×9)÷10,
=3×4×6×7×8×9
=36288.
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