Quota CMU
กำหนดให้ $\displaystyle{A=\{0,1,\cdots,99\},B=\{100,101,\cdots,199\}}$
และนิยาม $\displaystyle{A*B=\{ab|a\in A,b\in B\}}$
จงหาค่าของ $n(A*B)$
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