题目列表(包括答案和解析)
| 3×4+1= | 5×7×2= | 2×6×3= | 8×5×9= | 9×6+6= | 8×8+4= | 3×0= | 0×0= | 4×3= | 15×4= | 10×0= | 0×100= | 303×2=1 | 50×4= | 102×5= | 30×6= | 170×4= | 506×5= | 120×5= | 300×6= | 460×8= | 560×5= |
| 3÷4= | 0.9÷3= | 1.5÷0.5= | 10×0.28= |
| 20÷0.4= | 1.2÷0.6= | 0.83+0.25= | 1-0.08= |
| 5χ-χ= | X+X= | 8×12.5= | 0.6×1.5= |
| 2.7+2.7= | 63÷0.9= | 0.3÷1.5= | 10÷0.2= |
| 0.95÷5= | 0×1.7= | 6÷5= | 1.8÷0.36= |
| 8÷10= | 10-1.8-7.2= | 0.43+3.57= | 2.5×4×12= |
| 0.9×0.8= | 7.28×99+7.28= | 4.3×50×0.2= | 7.5x-3x= |
| a+3a+7a= | 1.05×100= | 1÷0.5= | 0.96÷3= |
| 1.47÷0.7= | 5.4÷6= | 8.8×0.1= |
| 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= |
| 4.3+5.8= 10.1 10.1 |
3.6+6.4= 10 10 |
0.74-0.34= 0.4 0.4 |
0.9-0.25= 0.65 0.65 |
| 5×4= 20 20 |
0.21×3= 0.63 0.63 |
0.64÷0.8= 0.8 0.8 |
0.48÷0.12= 4 4 |
| 88÷8= 11 11 |
1.1×9= 9.9 9.9 |
1÷0.25= 4 4 |
0÷0.4= 0 0 |
| 15÷0.3×0.1= 5 5 |
0.4÷0.2= 2 2 |
（0.7+0.8）×3= 4.5 4.5 |
7×1.2+0.8= 9.2 9.2 |
| 1.8×4-1.2= 6 6 |
（2.6-1.8）×0.5= 0.4 0.4 |
4+3.2÷0.8= 8 8 |
0.72÷72-0.1= -0.09 -0.09 |
| 7.5÷2.5-0= 3 3 ． |
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