3600÷8÷4÷125÷3÷3=3600÷(125×8)÷(4×3×3)=3600÷1000÷36=0.1
3000－2－4－6－8－10…－34－36
=3000-(2+36)-(4+34)-(6+32)-...-(18+20)
=3000-38-38-38...-38
=3000-38×9
=3000-342
=2658