如图，在正方形ABCD内画正方形AGIF、正方形AHJE，正方形ABCD被分割成了正方形区域甲和L形区域乙和丙．已知甲的边长为4cm，乙的周长是甲的周长的1.5倍，丙的周长是乙周长的1.5倍，那么EF长________cm，丙的面积是________cm2．直接写出下面各题的得数．
| 0.43+0.7= | 0.7×5= | 6.4÷0.8= | 2.01÷0.1= |
| 7.2÷9= | 1-0.55= | 6.01×0= | 350÷1000= |
直接写出得数．
 + = | 1- = | 1÷ = |  - = |
| ×= | 0÷ = | 0.9+99×0.9= | （ +）×12= |
| 38+0.625= | 35÷0.7= | 0.52= | 9π= |
| 0.43+0.7= | 0.7×5= | 6.4÷0.8= | 2.01÷0.1= |
| 7.2÷9= | 1-0.55= | 6.01×0= | 350÷1000= |
| += | 1-= | 1÷= | -= |
| ×= | 0÷= | 0.9+99×0.9= | （+）×12= |
| 38+0.625= | 35÷0.7= | 0.52= | 9π= |