Question

1. Calculate using suitable rearrangements:

(i) I +2 +3 +4 +996 +997 +998 +999​

Answer 1

I. (996+4)+(997+3)+(998+2)+(999+1)

1000+1000+1000+1000

4000

hence, solved

ii. (4957x100)x4

495700x4

1982800

hence,solved

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