题目内容
3．直接写得数| 0.9×6= | 1.4×3= | 1.2×0.6= | 2.4×0.5= |
| 0.72÷12= | 30÷0.6= | 0.63÷7= | 0.84÷0.4= |
| 0.36÷0.9= | 2.5÷10= | 5.2÷1.3= | 0.54÷0.9= |
| 7.2÷8= | 1.7×6.5= | 0.99×2= | 0.7×0.8= |
| 1.2+5.8= | 8×0.125= | 0.72÷0.8= | 4.39-3.82= |
分析 根据四则运算的计算法则计算即可求解．
解答 解：
| 0.9×6=5.4 | 1.4×3=5.2 | 1.2×0.6=0.72 | 2.4×0.5=1.2 |
| 0.72÷12=0.06 | 30÷0.6=50 | 0.63÷7=0.09 | 0.84÷0.4=2.1 |
| 0.36÷0.9=0.4 | 2.5÷10=0.25 | 5.2÷1.3=4 | 0.54÷0.9=0.6 |
| 7.2÷8=0.9 | 1.7×6.5=11.05 | 0.99×2=1.98 | 0.7×0.8=0.56 |
| 1.2+5.8=7 | 8×0.125=1 | 0.72÷0.8=0.9 | 4.39-3.82=0.57 |
点评 考查了四则运算，关键是熟练掌握计算法则正确进行计算．
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