Answers

2014-07-05T19:53:42+08:00
 2 × 270
4×135
5 × 108
5 × 90
9 × 60
10× 54
12 ×45
15 × 36

2 3 2
2014-07-05T22:51:58+08:00
Here is my answer soory if this is an image..

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