| 370+730= | 0.32= | 7.25-0.25= | - = |
| 9.3÷0.03= | 0.75×36= | 3+5×1 = | 2÷25%×4= |
解:
| 370+730=1100, | 0.32=0.09, | 7.25-0.25=7, | - = , |
| 9.3÷0.03=310, | 0.75×36=27, | 3+5×1 =12, | 2÷25%×4=32. |
分析:0.32=0.3×0.3由此求解;
3+5×1
先算乘法,再算加法;2÷25%×4按照从左到右的顺序计算;
其它题目根据运算法则直接求解.
点评:本题属于基本的计算,在平时多积累经验,逐步提高运算的速度和准确性.
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