题目列表(包括答案和解析)
| 0.9÷10= | 53.8÷100= | 0.8÷10= | 6.5×100= | 0.12+0.98= |
| （99-9）÷9= | 0.4+0.56= | 310-99= | 4.25+1.25= | 6.3-3= |
| 7.8-0.78= | 900÷45= | 780+99= | 10-0.99= | 32-9.8-0.2= |
| 50-50÷50= | 4-0.04= | 2.06×10= | 5-0.7+0.3= | 6.4+4.4= |
| 4.3+5= | 10+7.6= | 9.8-6= | 12.4+5.6= | 8-4.5= |
| 2.5+7= | 8.2-6= | 25.7-15.7= | 3.5+12.5= | 54÷9×54÷9= |
| 69-31×0= |
| 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= |
| 2+9= | 4+7= | 9+9= | 7+6= |
| 9+5= | 7+4= | 4+8= | 8+7= |
| 7-5= | 6+8= | 3+9= | 6+10= |
| 10-6= | 8+9= | 5+6= | 9+6= |
| 13-3= | 11-10= | 9+3= | 5+8= |
| 14-4= |
6-2 = | 18 ÷9= | 5.6× = |  + = | 8÷= |
 ÷0.8= | 3.6-1= | × = | 3.14×4= |  + = |
+2 = | 0.45÷ = | 55÷ = | 8÷ = | 10-9.45= |
3 +4 = | 0.36×100= | 0.5÷100= | 1× = | ÷7= |
| 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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