题目列表(包括答案和解析)
| 4×3= | 32÷4= | 25÷5= | 20÷5= |
| 42÷6= | 36÷9= | 54÷6= | 12÷2= |
| 8×7= | 81÷9= | 64÷8= | 8×9= |
7×5 = |  ÷ = |  + = |
× = | 1+ -0.4= |  +0.75= |
 + = |  ÷9= | += |
 ×0.4= | 4÷ = |  ×= |
| （2+）×（1+）= | ×9= |  += |
| 4÷= | +1= | 5-（2+ ）= |
| 4.5÷= | 39× = | 11×（10+ ）= |
| 11+（3+）= |  ×= | 8×= |
| 12-（6+）= | 1÷（1+）= | 20÷20%= |
| 1÷0.01= | 1.12= | 9.9÷（1+ ）= |
81÷ = | 1.65-0÷1.65= | × ×= |
| 5-1.4-1.6= | （0.18+0.9）÷9= | 8× ×1.25= |
| 1.25×0.16×8= | +7.3÷10%= | +9-0.2= |
| 5.08-0.74-1.26= | ×0.2= | 1-.0375÷= |
| 8÷0.5+×（1+）= | （ +）×24= | 10（3+ ）÷（3+）= |
| （3++5++2+）-（5+）= | + ÷+= | 1--= |
| 3-（2+）+（2+）= | -÷3= | 0×（3+）+（1+）= |
| +-+= | 0.125×64×0.125= |  ×8+8×= |
| +×16= | -+= |
| 5×6= | 82-50= | 72÷8= | 4×4-4= |
| 6×5+6= | 27+40-8= | 28+7= | 24÷4= |
| 58-9= | 54÷9×8= | 4+5×7= | 81-7-70= |
| 54-6= | 42÷6= | 7÷7= | 30-10÷5= |
| 9×4-15= | 6×3÷2= | 2×3= | 9×7= |
| 15÷5= | 39+8-20= | 76-（43-12）= |
| 5×6= | 82-50= | 72÷8= | 4×4-4= |
| 6×5+6= | 27+40-8= | 28+7= | 24÷4= |
| 58-9= | 54÷9×8= | 4+5×7= | 81-7-70= |
| 54-6= | 42÷6= | 7÷7= | 30-10÷5= |
| 9×4-15= | 6×3÷2= | 2×3= | 9×7= |
| 15÷5= | 39+8-20= | 76-（43-12）= |
|
81÷
|
（
|
0.9-0.26= | ||||||||||
| 62-35= | 8×
|
7÷1.4= | 1.25×3×8= | ||||||||||
| 2.1+3.4= | 5-
|
1.01×99= | 1÷0.125= |
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