题目列表(包括答案和解析)
| 1.7×3= | 5.2×4= | 9.2×5= | 2.25×10= |
| 1.25×8= | 0.32÷4= | 9.6÷6= | 6.8÷4= |
| 0.6÷5= | 8.4÷42= |
| 1.7×3= | 5.2×4= | 9.2×5= | 2.25×10= |
| 1.25×8= | 0.32÷4= | 9.6÷6= | 6.8÷4= |
| 0.6÷5= | 8.4÷42= |
 × = | 3.7+2.5= | 51÷0.25= | 1.1-0.11= |
÷ = | 68÷0.4= | × = | 3.27+7.3= |
| ×6= |  × = | 627-198= | 0.1÷50%= |
 ×15= | 9- = | 10-2 = | 3.8×0.1= |
 ×= | ÷50%= | ×40%= | 12%+25%= |
| 0.8÷3= | 280÷35= | 359+199= | 120%-70%= |
| 1.4×45= | 40÷10%= | 241-103= | 324-198= |
| 2-1.36= | -= | 33÷ = | 0.62+0.4= |
| 0.37-0.3= | 0.66÷0.3 | 100×0.48= | 5x-3x= |
| 35÷100= | 0.4×0.5= | -= | 0.23÷0.1= |
1- = | 0.8π= | 1-90%= | 1+= |
 ÷6= |
| 3×5+4= | 3×9+5= | 1×6+4= |
| 2×8+3= | 4+7×2= | 2+6×7= |
| 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= |
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