题目列表(包括答案和解析)
| 1÷0.5= | 5÷40= | 2.4×3= | 0.8×0.5= | 12-8.9= |
| 3.2÷0.8= | 4.01÷100= | 1.7×0.5= | 2.5×400= | 13÷0.001= |
| 3.2×50= | 4.6+2.9= | 0.47+1.8= | 299+324= | 0.6÷5= |
| 6.7-2.9= | 23×2.7+77×2.7= | 5.4+0.74+4.6= |
| 1÷0.5= | 5÷40= | 2.4×3= | 0.8×0.5= | 12-8.9= |
| 3.2÷0.8= | 4.01÷100= | 1.7×0.5= | 2.5×400= | 13÷0.001= |
| 3.2×50= | 4.6+2.9= | 0.47+1.8= | 299+324= | 0.6÷5= |
| 6.7-2.9= | 23×2.7+77×2.7= | 5.4+0.74+4.6= |
| 1.8+2.6= | 14.6-6= |  + = | 0.21+ +0.79= |
× = | 0.6÷0.15= |  ÷100= | 5.47-1.8-3.2= |
| -0.25= | 0.5÷ = | 0.4÷40%= | （ + ）×63= |
| 3：2= | 0.25：1.75= | 0.1：= | 1.25××8= |
| 12×4= | 2×23= | 14×5= | 70-6= | 100×7= | 40×5= |
| 18×5= | 42×3= | 2×41= | 300×9= | 0×5= | 80÷4= |
| 120÷6= | 48÷4= | 200÷5= | 69÷3= | 300÷6= | 100÷5= |
| 40×3= | 800×0= | 20×5= | 2×80= |
| 600×6= | 70×5= | 9×600= | 8×500= |
| 0×376= | 30×7= | 100×5= | 4×200= |
| 320+20= | 200+700= | 560-40= | 750-400= |
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