Answers

2014-06-12T15:40:35+08:00
Thats true because if you will compute it, the product is 180
1 5 1
2014-06-12T15:57:06+08:00
True
because (9 * 4) * 5 is 180
or
N = (9 * 4) * 5
N = 36 * 5
N = 180
and 9 * 20 is 180
So, 180 = 180 is TRUE
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