Math, asked by mdalthaf3462, 6 months ago

plz help me guys plz

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Answered by shanupari2006

0

Answer:

(I)399

(ii)891

Step-by-step explanation:

(I) 21*19

(20+1)*(20-1)

20²-1²

400-1

399

(ii) 33*27

(30+3)*(30-3)

30²-3²

900-9

891

Answered by prashant097

0

I hope it's help you........

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