题目列表(包括答案和解析)
| 8.7×1.9-8.7×0.9 | 2.5×3.8×0.4×0.2 | 5.7×10.2． |
| 1.7×3= | 5.2×4= | 9.2×5= | 2.25×10= |
| 1.25×8= | 0.32÷4= | 9.6÷6= | 6.8÷4= |
| 0.6÷5= | 8.4÷42= |
| 7-3= | 6+5= | 8-6= | 5-1= |
| 10-6= | 5+2= | 7+0= | 6-2= |
| 8-2= | 5+5= | 7-6= | 10-5= |
| 9-5= | 6-0= | 4+4= | 4-3= |
| 2+7= | 2+0= | 8-2= | 7-3= |
| 4+5= | 5-0= | 10-3= | 0+8= |
| 8+0= | 3+3= | 10-7= | 2+5= |
| 9-1= | 8+1= | 8-5= | 10-4= |
| 1+9= | 7-2= | 4-2= | 9-4= |
| 6+4= | 9-3= | 4-4= | 8-4= |
| 7+2-4= | 6+2-7= | 10-8+2= | 10-5-4= |
| 1.7×3= | 5.2×4= | 9.2×5= | 2.25×10= |
| 1.25×8= | 0.32÷4= | 9.6÷6= | 6.8÷4= |
| 0.6÷5= | 8.4÷42= |
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