Make suitable arrangements before multiplying
(ii) 11 x 21 x 11 x 21
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Q. Make suitable arrangements before multiplying
(ii) 11 x 21 x 11 x 21
Solution:-
ex:- a × b × a × b = a × a × b × b
=> 11 x 21 x 11 x 21
we can write it as
=> 11 x 11 x 21 x 21
=> 121 × 441
=> 53361
i hope it helps you.
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