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प्रश्न
Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.
उत्तर
2y + 7, 2y − 7, 7y + 2, 7y − 2, 2y × 7, `(2"y")/7`, `(7"y")/2`
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