Correct option is C Given:(87÷3)×{522+183×(9−6)}(87 \div 3) \times \left\{ \frac{52}{2} + \frac{18}{3} \times (9 - 6) \right\}(87÷3)×{252+318×(9−6)} Solution: (87÷3)×{522+183×(9−6)} =29×{522+183×3} =29×{26+6×3} =29×{26+18} =1276(87 \div 3) \times \left\{ \frac{52}{2} + \frac{18}{3} \times (9 - 6) \right\}\\\ \\= 29 \times \left\{ \frac{52}{2} + \frac{18}{3} \times 3 \right\}\\\ \\= 29 \times \left\{ 26 + 6 \times 3 \right\}\\\ \\= 29 \times \left\{ 26 + 18 \right\}\\\ \\= 1276(87÷3)×{252+318×(9−6)} =29×{252+318×3} =29×{26+6×3} =29×{26+18} =1276