2.4×0.5= | 9.9×10.1= | 7.5×9+7.5= |
4.2÷0.5= | 3.9×2.5= | 12.5×0.25×8= |
8.7÷0.01= | 6÷1.25= | 9.6÷(4.8×5)= |
1.65×2.06≈(四舍五入精确到百分位) | 2.43÷0.6= | 7.8÷1.1=(用循环小数的简便形式表示) |
7.8+2.2×1.5 | 10.58﹣2.42﹣7.58 | 30﹣14÷2.5×4 |
7.3×7.3﹣7.3+7.3×3.7 | 8×(1.25+2.5)×4 | 9÷[(6.4+3.6)×1.8÷0.1] |
3.6×0.5 3.6 | 7.5 7.5÷1.9 | 5.32 |