题目内容
| 看谁算得快． 0.55+0.45= | 7-1.036= | 50×0.25= | 0.25×400= |
| 1.3+0.13= | 6.3×101= | 1.5+2.26+0.5= | 0.8+0.2-0.8+0.2= |
| （5.25-4）×8= | 4×0.37×0.25= |
| 0.55+0.45=1 | 7-1.036=5.964 | 50×0.25=12.5 | 0.25×400=100 |
| 1.3+0.13=1.43 | 6.3×101=636.3 | 1.5+2.26+0.5=4.26 | 0.8+0.2-0.8+0.2=0.4 |
| （5.25-4）×8=10 | 4×0.37×0.25=0.37． |
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