3600000÷125÷32÷25 1.25×6.78+25×3.47+125×0.0382 20042005×20052004-20042004×20052005．

（1）3600000÷125÷32÷25，=3600000÷（125×32×25），=3600000÷[（125×8）×（4×25）]，=3600000÷[1000×100]，=3600000÷100000，=36；（2）1.25×6.78+25×3.47+125×0.0382，=1.25×6.78+1.25×20×3.47+...