Solve:
2+5=12.
3+6=21.
8+11=?

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Solution

2 + 5 = 2 x (5 + 1) = 2 x 6 = 12

3 + 6 = 3 x (6 + 1) = 3 x 7 = 21

Therefore we can find the missing number as;

8 + 11 = 8 x (11 + 1) = 8 x 12 = 96

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Similar questions

\frac{- 5}{6} + \frac{3}{11}

\frac{4}{5} (x + \frac{5}{6}) + \frac{2}{3} (x - \frac{1}{4}) = 1 \frac{1}{9}

\frac{4}{5} (x + \frac{5}{6}) + \frac{2}{3} (x - \frac{1}{4}) = 1 \frac{1}{9}

Solve the equation : $\frac{p}{6} = - 5 \frac{1}{2}$

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