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प्रश्न
Evaluate: `(-45)/39 xx (-13)/15`
बेरीज
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उत्तर
`(-45)/39 xx (-13)/15`
`= ((-45) xx (- 13))/(39 xx 15) = ((-3)xx(-1))/(3 xx 1)`
`= 3/3 = 1`
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