| 2 |
| 3 |
| 2 |
| 7 |
| 1 |
| 3 |
| 5 |
| 7 |
| 1 |
| 3 |
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 7 |
| 7 |
| 8 |
| 9 |
| 20 |
| 10 |
| 21 |
| 11 |
| 24 |
| 19 |
| 35 |
| 2009 |
| 2010 |
| 19 |
| 35 |
| 12 |
| 35 |
| 7 |
| 35 |
| 9 |
| 20 |
| 10 |
| 21 |
| 11 |
| 24 |
| 12 |
| 35 |
| a+b |
| a×b |
| 1 |
| a |
| 1 |
| b |
| 2 |
| 3 |
| 2 |
| 7 |
| 1 |
| 3 |
| 5 |
| 7 |
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 3 |
| 1 |
| 3 |
| 2 |
| 7 |
| 5 |
| 7 |
| 1 |
| 3 |
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 7 |
| 7 |
| 8 |
| 9 |
| 20 |
| 10 |
| 21 |
| 11 |
| 24 |
| 19 |
| 35 |
| 1 |
| 3 |
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 7 |
| 7 |
| 8 |
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 7 |
| 1 |
| 3 |
| 1 |
| 8 |
| 12 |
| 35 |
| 7 |
| 35 |
| 1 |
| 3 |
| 3 |
| 4 |
| 2 |
| 5 |
| 5 |
| 7 |
| 7 |
| 8 |
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 7 |
| 1 |
| 3 |
| 1 |
| 8 |
| 1 |
| 7 |
| 1 |
| 5 |
| 1 |
| 5 |
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 4 |
| 2 |
| 5 |
| 1 |
| 5 |
| 5 |
| 7 |
| 1 |
| 7 |
| 7 |
| 8 |
| 1 |
| 8 |
| 2009 |
| 2010 |
| 2009×2010+2009 |
| 2010 |
| 2009×(2010+1) |
| 2010 |
| 2010 |
| 2009×2011 |
| 2010 |
| 2011 |
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| 簡便運算 (1)
|
(2)157×
| ||||||||||||||||
(3)1
|
(4)
|
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| 簡便運算. 1.25×0.25×0.05×64= 1 1 ; |
0.525÷13.125÷4×85.2= 85.2 85.2 ; | ||||||||||||||||||||||||||
|
|
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