Chocholate

The table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times have we broken it to get only individual squares? It is not permitted to break several superposed pieces.

Correct answer:

x =  284

Step-by-step explanation:

x=(151)+(191)15=15191=284



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