| (1)15÷4=; | (2)3.6× | (3) | (4)0.8÷0.02=; |
| (5)6.7+3=; | (6)12÷ | (7)4.8-3.09=; | (8)53+47=; |
| (9)35×0.2=; | (10)0.22=; | (11)1212÷12=; | (12)0.5-0.5÷10= |
| (1)15÷4=; | (2)3.6× | (3) | (4)0.8÷0.02=; |
| (5)6.7+3=; | (6)12÷ | (7)4.8-3.09=; | (8)53+47=; |
| (9)35×0.2=; | (10)0.22=; | (11)1212÷12=; | (12)0.5-0.5÷10= |