| 直接写得数. 0.38+1.02= | -0.4= | × = |
3.5× = | 6.4÷0.8= | 3÷ = |
| 90×10%= | ÷25%= | 1÷ = |
| 1+80%= | 1.25×8= | 1÷3= |
| 2.5×4÷1000= | × = |
| 0.38+1.02=1.4, | -0.4=0.4, | × = , |
3.5× =2.8, | 6.4÷0.8=8, | 3÷ =9, |
| 90×10%=9, | ÷25%=2, | 1÷ =7, |
| 1+80%=180%, | 1.25×8=10, | 1÷3= , |
| 2.5×4÷1000=0.01, | × =1. |
分析:本题根据小数、分数的加法、减法、乘法与除法的运算法则计算即可.
点评:完成此类题目要细心,在保证做题质量的同时,要注意提高做题的速度.
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