[757-(38+17×15)]÷16=[757-(38+15×15+2×15]÷16=[757-(38+225+30)]÷16=[757-(255+38)]÷16=[757-255-2-36]÷16=[757-257-36]÷16=[500-36]÷16=464÷16=400÷16+64÷16=25+4=29