题目列表(包括答案和解析)
| 1.26+3.74= | 4.32-2.23= | 8.79+0.31= | 6.54-5.4= | 1.25+4.75= |
| 8.73+2.27= | 0.25×12= | 0.456×100= | 9.07×1000= | 1.76÷10= |
| 9.6÷0.3= | 2.4÷0.06= | 0÷5.9= | 5÷100= |
| 1.26+3.74= | 4.32-2.23= | 8.79+0.31= | 6.54-5.4= | 1.25+4.75= |
| 8.73+2.27= | 0.25×12= | 0.456×100= | 9.07×1000= | 1.76÷10= |
| 9.6÷0.3= | 2.4÷0.06= | 0÷5.9= | 5÷100= |
| 26+74= | 540-70= | 60+740= | 3×3×3= | 12+16÷4= |
| 39+39= | 250+200= | （8+2）×3= | 17+15+3= | 20÷2+30= |
| 41-3= | 700+400= | 3×4×2= | 9+27-8= | 31+40-45= |
| 29+64= | 870-300= | 55÷8= | 99-66-30= | 7+7+14= |
| 55÷5= | 63-36+2= | 99÷33= | 6×8+68= | 500×2×2+2= |
| 26+74= | 540-70= | 60+740= | 3×3×3= | 12+16÷4= |
| 39+39= | 250+200= | （8+2）×3= | 17+15+3= | 20÷2+30= |
| 41-3= | 700+400= | 3×4×2= | 9+27-8= | 31+40-45= |
| 29+64= | 870-300= | 55÷8= | 99-66-30= | 7+7+14= |
| 55÷5= | 63-36+2= | 99÷33= | 6×8+68= | 500×2×2+2= |
+2.26-9.875
）÷（4
÷3.4）
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