题目内容
| 7×5 | ||
| 1+ | ||
| 4÷ | ||
| (2+ | ||
| 4÷ | 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× |
| 1.25×0.16×8= | ||
| 5.08-0.74-1.26= | 1-.0375÷ | |
| 8÷0.5+ | ( | 10(3+ |
| (3+ | 1- | |
| 3-(2+ | 0×(3+ | |
| 0.125×64×0.125= | ||
| 解:7×5 | ||
| 1+ | ||
| 4÷ | ||
| (2+ | ||
| 4÷ | 5-(2+ | |
| 4.5÷ | 39× | 11×(10+ |
| 11+(3+ | 8× | |
| 12-(6+ | 1÷(1+ | 20÷20%=100 |
| 1÷0.01=100 | 1.12=1.21 | 9.9÷(1+ |
| 81÷ | 1.65-0÷1.65=1.65 | |
| 5-1.4-1.6=2 | (0.18+0.9)÷9=0.12 | 8× |
| 1.25×0.16×8=1.6 | ||
| 5.08-0.74-1.26=3.08 | 1-0.375÷ | |
| 8÷0.5+ | ( | 10(3+ |
| (3+ | 1- | |
| 3-(2+ | 0×(3+ | |
| 0.125×64×0.125=1 | ||
分析:根据整数、分数、小数的加减乘除法的计算法则进行解答即可.
点评:考查了整数、分数、小数的加减乘除法的口算能力,注意认真计算即可.
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