直接写得数:
| 7×0.6=________; | 2.3+0.4=________; | 1.5÷0.01=________; | 11.2-11=________; |
| 1.4×7=________; | 8×0.125=________; | 0.48÷2=________; | 45.7÷100=________; |
| 2.5×4=________; | 29-0.6=________; | 7.2÷4=________; | 0.2×0.5=________. |
分析:1.5÷0.01,把1.5的小数点直接向右移动两位即可;45.7÷100,把45.7的小数点直接向左移动两位即可;其它题目根据运算法则直接求解.
解答:
| 解:7×0.6=4.2; | 2.3+0.4=2.7; | 1.5÷0.01=150; | 11.2-11=0.2; |
| 1.4×7=9.8; | 8×0.125=1; | 0.48÷2=0.24; | 45.7÷100=0.457; |
| 2.5×4=10; | 29-0.6=28.4; | 7.2÷4=1.8; | 0.2×0.5=0.1. |
故答案为:4.2,2.7,150,0.2,9.8,1,0.24,0.457,10,28.4,1.8,0.1.
点评:这类题目要在平时多总结经验,提高运算的速度和准确性.