Question

1. find the sum by suitable rearrangement?
1. 877+1138+723
2.741+1956+959+2744
3.205+833+167+495
4.1588+2140+2412+1060​

Answer 1

Answer:

1.) 877+1138+723

= (877+723)+1138

= 1600+1138

= 2738

2.) 741+1956+959+2744

= (741+959)+(1956+2744)

= 1700+4700

= 6400

3.) 205+833+167+495

= (205+495)+(833+167)

=700+1000

= 1700

4.) 1588+2140+2412+1060

= (1588+2412)+(2140+1060)

= 4000+3200

= 7200

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Answer 2

Answer:

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