Question

Find the sum using suitable rearrangement of numbers of a) 205+196+104+95
b) 521+378+79+122
please give me solution also ​

Answer 1

Answer:

195+104+196+205,79+122+378+521

Answer 2

Answer:

• Answer of A part is 500
• Answer of B part is 1100

Step-by-step explanation

We will arrange the numbers in such an order in which addition get easier so

A = 205+196+104+95   Can be written as

     (205+95)+(104+196)

  =  300+200

  =  500

B = 521+378+79+122 Can be written as

     (521+79)+(378+122)

  =  600+500

  =  1100

Its very easy