题目列表(包括答案和解析)
| 251+149= | 72÷0.8= | 10-0.91= | 1.5×0.5= |
| 10÷0.2= | 560÷16÷5= | 0.25- = | 4×25-25= |
| 0.333×3≈ | 4.78-2.11-0.89= | 1- + = | 1÷ -÷1= |
| 138+72 | 0.25×8 | 18÷0.6 | 3.125-1
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1
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5.2×
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0.5-
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4-1
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12.3-2.75-7.25 | (
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0.12÷
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| 3×1.5= | 2.5×4= | 0÷0.9= | 4÷0.2= |
| 0.56÷0.7= | 0.24×5= | 0.2×5= | 2.1-0.87= |
| 3.54-3.5= | 3.4-1.5= | 12÷0.6= | 8×0.125= |
| 0.7×11= | 0.13+1.7= | 3.15÷0.5= | 0.9÷4.5= |
| 0.2×0.3= | 1.2+0.56= | 3-1.7= | 1÷0.25= |
| 78÷1.3= | 15÷0.3= | 2.1+1.49= | 6.24-1.5= |
| 1.2×0.3= | 6.3÷6.3= | 1.6×0.2= | 3.7-1.2= |
| 4.58-3.5= | 72.8÷8= | 3.5×0.3= | 0.25×100= |
| 3.2-2= | 0.51÷17= | 5.3÷0.01= | 1.03×3= |
| 2.8+12= | 3.5×2= | 2.2×0.1= | 1-0.25= |
| 0.62-0.32= | 6.3÷0.21= | 1.7×10= | 0.12×3= |
| 0.45×2= | 1.2÷0.3= | 1÷2= | 4.8×100= |
| 0.25×8= | 0.89÷8.9= | 17.8+2.2= | 0.8÷0.2= |
| 5.79÷0.1= | 0.35+0.65= | 8.9-0.9= | 9.2-9.2= |
| 3.6÷0.4= | 15.15÷15= | 0.2×0.3×0.1= | 1.34×4×2.5= |
| 3×1.5= | 2.5×4= | 0÷0.9= | 4÷0.2= |
| 0.56÷0.7= | 0.24×5= | 0.2×5= | 2.1-0.87= |
| 3.54-3.5= | 3.4-1.5= | 12÷0.6= | 8×0.125= |
| 0.7×11= | 0.13+1.7= | 3.15÷0.5= | 0.9÷4.5= |
| 0.2×0.3= | 1.2+0.56= | 3-1.7= | 1÷0.25= |
| 78÷1.3= | 15÷0.3= | 2.1+1.49= | 6.24-1.5= |
| 1.2×0.3= | 6.3÷6.3= | 1.6×0.2= | 3.7-1.2= |
| 4.58-3.5= | 72.8÷8= | 3.5×0.3= | 0.25×100= |
| 3.2-2= | 0.51÷17= | 5.3÷0.01= | 1.03×3= |
| 2.8+12= | 3.5×2= | 2.2×0.1= | 1-0.25= |
| 0.62-0.32= | 6.3÷0.21= | 1.7×10= | 0.12×3= |
| 0.45×2= | 1.2÷0.3= | 1÷2= | 4.8×100= |
| 0.25×8= | 0.89÷8.9= | 17.8+2.2= | 0.8÷0.2= |
| 5.79÷0.1= | 0.35+0.65= | 8.9-0.9= | 9.2-9.2= |
| 3.6÷0.4= | 15.15÷15= | 0.2×0.3×0.1= | 1.34×4×2.5= |
| 260+400= | 640-400= | 900×9= | 400÷5= | 34×2= |
| 4800÷8= | 250-70= | 140×3= | 64-0= | 940+60= |
| 4×500= | 120×4= |  = |  = |  = |
| 605+200= | 24÷5= | 1- = | 60×9= | 400×7= |
| 210×3= | 45÷9= | 39÷7= | 125×8= | 133×2= |
| 89×5≈ | 181×2≈ | 12×7≈ | 512×4≈ | 311×3≈ |
| 960-160= | 280+80= | 32×3= |  = |  = |
| 15+5×2= | 15×4-25= | 10+10×0= | 20-12÷3= | 72÷8-8= |
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