Задание

Найдите произведение чисел:

   \(\displaystyle 4\)\(\displaystyle 5\)\(\displaystyle 9\)\(\displaystyle 7\)\(\displaystyle 4\)
  x     
     \(\displaystyle 2\)\(\displaystyle 1\)\(\displaystyle 2\)
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\(\displaystyle +\)       
  [ ][ ][ ][ ][ ] 
\(\displaystyle +\)       
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