1. MEDIUM

\(9 \times 3 + 4 \times (50 \div 5) =\)

  1. 320
  2. 67
  3. 630
  4. 315
  5. None of the above
 
2. MEDIUM

\(27 \div 9 + 24 \div 8 \div 3\)

 
3. MEDIUM

\(6 \div 3 \times 2 + (5 + 4) \times 3=\)