Question

By suitable arrangements,find the sum of
(a)311,528,289
(b)723,834,66,277
(c)78,203,435,7197,422​

Answer 1

Answer:

Suitable arrangements means arrange in the order so we can solve the sum easily.

(a) 311, 528, 289

311+528+289

311+289+528

Firstly add 311+289

Then add the answer with +528

You will get your answer.

(b) 723,834,66,277

The steps are same that i told you in a) part.

723+834+66+277

(723+834)+(66+277)

Add the both answers

You will get your answer

(c) 78,203,435,7197,422

Steps are same

78+203+435+7195+422

(78+203)+(435+422)+7195

Then add the both answers

Then add the answer with 7195

You will get your answer.

Hope it helps

Answer 2

Here is your answer :-

(a) 311+528+289 = 1128

(b) 723+834+66+277 = 1900

(c) 78+203+435+7197+422 = 8335

Hope it helps...☺️☺️☺️