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प्रश्न
Simplify: (−7) + (−9) + 12 + (−16)
एका वाक्यात उत्तर
उत्तर
(−7) + (−9) + 12 + (−16)
= 12 − (7 + 9 + 16)
= 12 − 32
= −20
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