1)800*100=80000,32490:57=570,10486:98=107,80000-570=79430,79430+107=79537.2)4428:123-(32*816-26000):14=32*816=26112,26112-26000=112,4428:123=36,112:14=8,36-8=28.3)(8032-595):37*50-10000:40=8032-595=7437,7437:37=201,10000:40=250,201*50=10050-250=98004)(20655:85+757)*(6370:182-29)=20655:85=243,243+757=1000,6370:182=35,35-29=6,1000*6=6000