Answers

2015-05-19T12:28:33+05:30
42 can be written as 
 =6×7 or ( -6)×(-7)
 =2×21 or( -2 )×(-21)
=3×14  or(-3)×(-14)
=14×3 or (-14)×(-3)
nothing when added gives 3 therefore question is wrong

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