333-9+1-33=300-8=292
7777-707×7+7-77:7=7777-4949+7-11=2828-4=2824
150×4+(68:2×5-108)+2162=600+(170-108)+2162=600+62+2162=2824
(443-20×6)-(1965-1934)=443-120-31=323-31=292
