Question
What should be added to $5 \frac{3}{7}$ to get $12 ?$
✓
Answer
$\frac{46}{7}$
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What should be subtracted from $x^2-x y+y^2-x+y+3$ to obtain $-x^2+3 y^2-4 x y+1$ ?
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(iv) the rational number, which when multiplied by y gives x.
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(x) x ÷ (y ÷ z)
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