Question

{[(64-7×6:3)×3²]:√25:3}×√³27​

Answer 1

$((64 - 7 \times 2) \times 3^{2} ) \div \sqrt{25} \div 3) \times 9 \\ ((64 - 14) \times 9) \div \sqrt{25} \div 3 \times 9 \\ (50 \times 9) \div 5 \div 3 \times 9 \\ 450 \div 5 \div 27 \\ 90 \div 27 \\ 3.33$