摘要：25÷0.25÷0.4 7.8+4.56+2.2
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| 7.2+2.8= | 0.9÷0.01= | 3.5+7.6= | 3×0.2×0.5= |
| 0.96÷0.3= | 1.5×0.4= | 7÷0.25= | 2.5×0.7×0.8= |
| 8-2.5= | 16÷1.6= | 5.6×1.01= | 8×（2.5+0.25）= |
| 0.36+0.64= | 64.32÷16= | 72.8÷0.8= | 8.4×0.2+1.6×0.2= |
| 8.4÷4.2= | 0.05×0.8= | 2.56-0.37= | 1.25×0.8×0.5= |
| 12×2.5= | 1.23×3= | 3.2÷1.6= | 3.5+3.5×3= |
| 19.6÷2= | 8.8÷2.2= | 3.9+2.03= | 7.2×0.3+2.8×0.3= |
| 13.8+9.9= | 2.4×2.5= | 0.75×4= | （1.5+0.25）×4= |
| 4.2÷0.1= | 4.2÷3.5= | 2.14-0.9= | 27+456+73= |
| 12÷0.3= | 2.87÷0.7= | 13÷4= | 24÷4+56÷4= |
| 7.2+2.8= | 12×2.5= | 2.63+0.37= | 4.8÷0.3= |
| 0.96÷0.3= | 1.5-4.5= | 2.5×0.4= | 1.4×2.5×4= |
| 8-2.5= | 6÷1.2= | 9.2÷2.3= | 24÷4+56÷4= |
| 0.36+0.64= | 4÷0.25= | 1.8×5= | 30×（200+3）= |
| 8.4÷4.2= | 8×1.5= | 0.7×16-16×0.2= | 2.73+1.5×4= |
| 3.3×2= | 2.4×0.5= | 0.6×0.9= | 0.2×0.3= |
| 0.39+0.61= | 10-7.2= | 0.88+1.1= | 0.75×4= |
| 11-1.5= | 4.48-4= | 7.8-0.8= | 2.8×5= |
| 4×0.3= | 4×0.25= | 3.2+1.6= | 10.6-5.2= |
| 0.32+1.68= | 8×125= | 7.28+7= | 0.8+39.2= |
| 43+0.01= | 0.4×2= | 1.5×6= | 1×0.04= |
| 1.53-0.5= | 1.5-0.6= | 0.3+1.5= | 95÷5= |
| 0.65+4.35= | 14-7.4= | 11.2-9.8= | 4.4×2= |
| 35-25= | 56-26= | 45+15= | 35-15= |
| 38+28= | 15+25= | 12+12= | 47-27= |
| 13+23= | 1-12= | 14+14= | 212+312= |
| 14-0= | 610-510= | 1-23= | 0+56= |
| 78-38= | 29+29= | 58-48= | 15+45= |
| 0.9×125×8= | 5.75+1.37+4.25= | 0.43×10+5.7= | 62-2.8-1.2= |
| 2.7×4+2.7×6= | 0.25×0.5×4= |
| 3.3×2= | 2.4×0.5= | 0.6×0.9= | 0.2×0.3= |
| 0.39+0.61= | 10-7.2= | 0.88+1.1= | 0.75×4= |
| 11-1.5= | 4.48-4= | 7.8-0.8= | 2.8×5= |
| 4×0.3= | 4×0.25= | 3.2+1.6= | 10.6-5.2= |
| 0.32+1.68= | 8×125= | 7.28+7= | 0.8+39.2= |
| 43+0.01= | 0.4×2= | 1.5×6= | 1×0.04= |
| 1.53-0.5= | 1.5-0.6= | 0.3+1.5= | 95÷5= |
| 0.65+4.35= | 14-7.4= | 11.2-9.8= | 4.4×2= |
| 35-25= | 56-26= | 45+15= | 35-15= |
| 38+28= | 15+25= | 12+12= | 47-27= |
| 13+23= | 1-12= | 14+14= | 212+312= |
| 14-0= | 610-510= | 1-23= | 0+56= |
| 78-38= | 29+29= | 58-48= | 15+45= |
| 0.9×125×8= | 5.75+1.37+4.25= | 0.43×10+5.7= | 62-2.8-1.2= |
| 2.7×4+2.7×6= | 0.25×0.5×4= |