问题 填空题 205g=______kg 380mL=______L90cm=______m 8500cm2=______m20.0036km=______m 0.3元=______分. 答案 205g=0.205kg,380mL=0.38L,90cm=0.9m,8500cm2=0.85m2,0.0036km=3.6m,0.3元=30分.故答案为:0.205,0.38,0.9,0.85,3.6,30.