解方程.
| x+ | 2.5x÷2=1. |
直接写出得数.
| 1-0.25= | 3.4+1.6= | 4.3-0.8= | 2.7+8.4= |
| 5×0.08= | 1.5×4= | 3.06÷1000= | 4.9×1000= |
| 14×0.2= | 0.5×0.3= | 3.26÷100= | 0.25×4= |
| x+ | 2.5x÷2=1. |
直接写出得数.
| 1-0.25= | 3.4+1.6= | 4.3-0.8= | 2.7+8.4= |
| 5×0.08= | 1.5×4= | 3.06÷1000= | 4.9×1000= |
| 14×0.2= | 0.5×0.3= | 3.26÷100= | 0.25×4= |