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Evaluate the following : (i)102 xx 106 ...

Evaluate the following :
(i)`102 xx 106`
(ii) `109 xx 107`
(iii)`35 xx 37`
(iv) `53 xx 55`
Given:

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Given:
(i)`102\ xx 106`
`=>(100+2) (100 + 6) `
`=>100 (100 + 6) + 2 (100 +6)`
`=>10000 + 600 + 200 +12`
`=>10812`
(ii) `109 xx 107` `=> (100 + 9) (100 + 7)`
...
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