摘要：4+2= 9-3= 4+5= 6-3= 7+0= 4-4= 6+4= 7-6= 10-5= 2+8= 7+3= 4+4= 3+5= 0+9= 10-8= 8-4= 7-2= 5+5= 10-2= 6-1=
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| 4+6.4= | 7.5+0.8= | 4.4+2.5= | 16.3-0.3= |
| 0.52+0.24= | 3.8-0.9= | 0.87-0.82= | 0.01+0.9= |
| 5.7-2.4= | 6.8-2.8= | 8.2+0.8= | 7+1.6= |
| 0.6+2.9= | 3.4×5= | 4.3-2.7= | 0.54÷2= | 2.35+1.5= |
| 3.81×0.1= | 3.7÷3.7= | 0.5÷0.05= | 5.7-2.9= | 0.75÷0.1= |
| 4+0.006= | 2.5×40= | 2÷0.5= | 0.5-0.25= | 0.6×3.2= |
| 6.5÷1.3= | 8-0.54-0.26= | 3.6+2.36+1.4= | 4.5+4.5×99= | 0.125×25×8= |