题目内容
计算:(
×
)×(
×
)×(
×
)×…×(
×
)×(
×
).
| 1 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 4 |
| 3 |
| 3 |
| 4 |
| 5 |
| 4 |
| 2012 |
| 2013 |
| 2014 |
| 2013 |
| 2013 |
| 2014 |
| 2015 |
| 2014 |
考点:有理数的乘法
专题:
分析:利用去掉括号找出算式的规律求解即可.
解答:解:(
×
)×(
×
)×(
×
)×…×(
×
)×(
×
)
=
×
×
×
×
×
×…×
×
×
×
=
×
=
.
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| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 4 |
| 3 |
| 3 |
| 4 |
| 5 |
| 4 |
| 2012 |
| 2013 |
| 2014 |
| 2013 |
| 2013 |
| 2014 |
| 2015 |
| 2014 |
=
| 1 |
| 2 |
| 3 |
| 2 |
| 2 |
| 3 |
| 4 |
| 3 |
| 3 |
| 4 |
| 5 |
| 4 |
| 2012 |
| 2013 |
| 2014 |
| 2013 |
| 2013 |
| 2014 |
| 2015 |
| 2014 |
=
| 1 |
| 2 |
| 2015 |
| 2014 |
=
| 2015 |
| 4028 |
点评:本题主要考查了有理数的乘法,找出算式的规律是解题的关键.
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