Question

Find the sum of the following numbers , using the most convenient grouping.
1. 3719,286, 5281

Answer 1

Answer:

Sum is 9286

Step-by-step explanation:

Given Numbers are = 3719 , 286 , 5281

We have to add them by most convenient grouping.

digits at ones of these number are 9 , 6 & 1

From this clearly by adding digit 9 & 1 we get 0 at ones place

⇒ Adding numbers with digit 9 and 1 at ones places is most convenient for us.

⇒ ( 3719 + 5281 ) + 286 = 9000 + 286 = 9286

Therefore, Sum is 9286

Answer 2

Answer:

9286 is the answer

Step-by-step explanation:

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