Question: So , - 2 3 + 5 7 = 1 2 1 and 5 7 + ( - 2 3 ) = So , ,

So,-23+57=121 and 57+(-23)= So,,-23+57=57+(-23)
 So,-23+57=121 and 57+(-23)= So,,-23+57=57+(-23)

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