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Q. 5.     To find sum of three numbers $14,$    $27$ and   $13,$ we can have two ways:

          (a) We may first add $14$ and $27$ to get $41$ and then add $13$ to it to get the total sum $54$ or

             (b) We may add $27$ and $13$ to get $40$ and then add $14$ to get the sum   $54.$ Thus, $(14+27)+13=14+(27+13)$

                    This can be done for any three numbers. This property is known as the associativity of addition of numbers. Express this property which we have already studied in the chapter on Whole Numbers, in a general way, by using variables a, b and c.

Answers (1)

best_answer

According to the given condition,

$(a+b)+c=a+(b+c)$

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