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6 votes
6 votes
Using identities solve 197x203

User Suresh Kumar Ariya
by
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1 Answer

29 votes
29 votes
203
197

Multiply 7 with 203 then multiply 9with 203 THEN multiply 1 with 203 you answer will be

1401
18070
+ 20300
________
39771
User Jrochkind
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