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Q.6 (a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.
(b) Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.


Answer :

(a) (t + 4), (t – 4), 4t, \(\frac{t}{4} \) , \(\frac{4}{t} \), (4 – t), (4 + t)
(b) 2y + 7, 2y – 7, 7y + 2 , 7y - 2 , \(\frac{7y}{2} \) , \(\frac{2y}{7} \) , \(\frac{2}{7y} \) , \(\frac{7}{2y} \)

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