题目内容
(1+
)×(1+
)×(1+
)×(1+
)×(1+
)×(1+
)×(1+
)(1+
)= .
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| 9 |
考点:分数的巧算
专题:计算问题(巧算速算)
分析:通过观察,此题可先求出每个括号内的结果,然后通过约分进行计算.
解答:
解:(1+
)×(1+
)×(1+
)×(1+
)×(1+
)×(1+
)×(1+
)(1+
)
=
×
×
×
×
×
×
×
=5
故答案为:5.
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| 8 |
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=
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| 9 |
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=5
故答案为:5.
点评:此题解答的关键在于通过约分进行简便计算.
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