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प्रश्न
Evaluate:
`3/7 + (-4)/9 + (-11)/7 + 7/9`
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उत्तर
`= (3/7 + (-11)/7) + ((-4)/9 + 7/9)`
`= (3-11)/7 + (-4+7)/9`
`= (-8)/7 + 3/9`
| 7 | 7, 9 |
| 3 | 1,9 |
| 3 | 1,3 |
| 1,1 |
`= (-72+21)/63`
`=(-51)/63`
`=(-17)/21`
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