(1)3平方米70平方分米=3.7平方米;
(2)850平方厘米=0.085平方米;
(3)300立方米=300000立方分米;
(4)5.2升=5200毫升;
(5)7.85立方分米=7立方分米850立方厘米.
故答案为:3.7,0.085,300000,5200,7,850.
(1)3平方米70平方分米=3.7平方米;
(2)850平方厘米=0.085平方米;
(3)300立方米=300000立方分米;
(4)5.2升=5200毫升;
(5)7.85立方分米=7立方分米850立方厘米.
故答案为:3.7,0.085,300000,5200,7,850.