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Basic Mathematic for number 3
1x3=3
4x3=3 like 12 ->1+2=3
7x3=21=3 like 2+1
10x=30=3
11x3=33=(1+1)x3x3=33
but...
4x3=3 like 12 ->1+2=3
7x3=21=3 like 2+1
10x=30=3
11x3=33=(1+1)x3x3=33
but...
