题目列表(包括答案和解析)
| ①2.07÷2.5÷0.4 | ②21.36÷0.8-12.9 |
| ③0.125×32×2.5 | ④0.65×201 |
| ⑤1.2×2.5+8×0.25 | ⑥50.4×19+50.4． |
| 1.8×5.46+18×45.4 | 0.38×102 | ||||||||
| 32÷0.25 | 15.92-7.56+2.08-2.44 | ||||||||
| 20.06×65+380×2.006-2.006×30 |
| ||||||||
| 9.9+9.99+9.999 | 0.7777×0.7+0.1111×5.1． |
| 2.5×7.1×4 | 16.12×99+16.12 |
| 5.2×0.9+0.9×4.8 | 26×15.7+15.7×24 |
| 2.7×9.9 | 6.4×10.1 |
| 0.25×[（2.8+4.4）÷1.2] | [32-（1.95-1.95）]÷1.6． |
| 40×2= | 70×6= | 450÷5= | 600×8= |
| 6000÷6= | 12×4= | 48÷2= | 4000÷8= |
| 32×3= | 400÷7= | 40×2= | 60÷3= |
| 0×75= | 40÷2= | 8×700= | 30×3= |
| 77÷7= | 20×2= | 150÷3= | 80÷4= |
| 6×7+5= | 7×9+3= | 630÷3= | 3000×3= |
| 1.8+0.5= | 2.5-0.1= | 4.8-0.2= | 74+71= |
| 48+10= | 24÷12= | 68÷0.68= | 94.7÷0.1= |
| 61.8÷0.6= | 0.8×6.7= | 3÷8= | 0.12×3= |
| 32= | 8.2-2.8= | 3.5÷0.7= |  = |
 = |  = | 5.3+0.5= | 46+18= |
| 8.5-1.5= | 69+10= | 28.8+0.4= | 40.5÷0.5= |
| 92.7÷0.3= | 0.5×1.3= | 16×0.5= | 4.4+0.1= |
| 6.1-0.1= | 3.3+0.6= | 33.2÷0.4= | 1÷0.25= |
| 1.5×4= | 6.5+1.35= | 1.3-1.2= |  = |
 = |  = | 5.7-1.7= | 0.35+0.75= |
| 0.2×1.1= | 1.6÷0.4= | 10÷4= | 3.4÷0.2= |
| 52÷13= | 57÷19= | 3.7-0.8= | 29+92= |
| 8.2+0.7= | 6.5-5.6= | 4.8÷0.3= | 33= |
| 1.25×8= |  = |  = |  = |
| 2.1÷0.3= | 3.2×3= | 2.8-1.8= | 0.9×6.2= |
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