यदि का अर्थ है −, −का अर्थ है , +का अर्थ और का अर्थ है +, तो (15 −10) (130 +10) 50 ? If '' means '−', '−' means '', '+' means '' and '+' means '+', then (15 −10) (130 +10) 50 ?

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यदि का अर्थ है −, −का अर्थ है , +का अर्थ और का अर्थ है +, तो (15 −10) (130 +10) 50 ? If '' means '−', '−' means '', '+' means '' and '+' means '+', then (15 −10) (130 +10) 50 ?






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