题目列表(包括答案和解析)
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= | -+= |
| 1.5×1.3×4 | 2.7+3.1+2.9+3.2 | 25-4.9-6.1 |
| 3.5×4.8+2.2×2.4 | 131+132+130+129 | （13+5.2）÷1.3． |
| 3.2+4.8= | 6.3-0.94= | 0.25×4= | 5×1.2= |
| 4.8÷0.6= | 4.8÷24= | 3.6-2.4= | 6-4.6= |
| 8-3.4= | 6×0.21= | 1.25×8= | 0.8÷0.5= |
| 25×0.3= | 0.63-0.3= | 2.5+7.5= | 34×0.1= |
| 7-0.99= | 21÷0.7= | 5×2.4= | 3×1.03= |
| 3.2÷4= | 1.5÷30= | 5.1÷3= | 0.37÷0.37= |
| 0.28÷14= | 0.16÷4= | 8×0.05= | 4×0.125= |
| 4÷8= | 7.5-0.7= | 9-0.9= | 7÷2= |
| 2.8÷0.7= | 21-0.21= | 5÷0.01= | 2.8×0= |
| 7÷0.07= | 6.3÷0.5= | 0.32÷0.8= | 1÷0.25= |
| 0.25×0.4= | 30×2.3= | 3.6÷1.2= | 2.5+1.2= |
| 3.5×0.2= | 9÷0.45= | 0.96÷0.16= | 4.8-2.9= |
| 0.5÷0.25= | 7.6+2.4= | 0.17×0.4= | 8.2×0.01= |
| 1.72-0.73= | 0.46÷2= | 1.9×0.8= | 1.2×0.3= |
| 1-0.92= | 0.16×0.7= | 0.56÷0.16= | 8÷0.6= |
| 3.2+4.57= 7.77 7.77 |
407+11.3+5.3= 423.6 423.6 |
0.25×（44-8）= 9 9 |
0.9+99×0.9= 90 90 |
| 6.38×8×125%= 63.8 63.8 |
10÷0.1-0.1÷10= 99.99 99.99 |
7.9×4+2.7= 34.3 34.3 |
4-4×0.6= 1.6 1.6 ． |
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