题目列表(包括答案和解析)
| 1.29+3.7+2.71+6.3 | 3.75÷[0.3×（1.34-0.84）] | 7.2×7.2+7.2×2.8 |
| 0.25×0.8×0.125×4 | 25×10.8×0.04 | 15.32-1.8×5-3.46． |
 = | 31.6-5.8-4.2= | 627-199= | 125%×8= |
 = | 1- = | 3.6× = | 8× = |
| 23+2= | 0.56÷0.7= |
| 3.2÷0.01= | 6.8-1.08= | 5.6+3.99= | 51×39≈ |
 = |  × ÷×= |  = | 1800-799= |
| 560÷8×7= | 8×125%= | （1- ）×16= |  ×24÷= |
| 5.5×2= | 9.6÷4.8 | =3-1.5×2= | 2×3.1= |
| 2.4×0.5= | 0.125×8-0.1= | 0.48÷6= | 6.4-4= |
| 0.6÷3+3= | 0.91÷13= | 3.25+0.75= | 9.9-0.9÷0.1= |
| 2.5×3= | 4.4÷（5×0.2）= | 7×1.3= | 0.96÷0.06= |
| 0.36×0.3= | 0.35÷0.7= | 4×0.8×0.25×1.25= | 13+0.7÷0.7= |
| 300×2= | 16×6= | 101×8= | 320÷8= |
| 28÷2= | 186÷6= | 72×3= | 1600÷4= |
| 13×5= | 108×4= | 40÷5×5= | 70÷7+10= |
| 840÷4= | 140-70= | 25+0×53= | 8×125+8= |
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