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प्रश्न
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
बेरीज
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उत्तर
`(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
`= (7/8 xx 8/7) + ((-5)/9 xx 6/-25)`
`= 1/1 + (1 xx 2)/(3 xx 5) = 1/1 + 2/15`
`= (15 + 2)/15 = 17/15 = 1 2/15`
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