![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
用递等式计算(能简算的要简算) 0.2×0.25+2.人×0.25&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf; 0.65×004&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf; 06.人÷40÷0.25 0.2×0.25×2.5&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf; 2.人×0.6+2人×0.64 0.25×人.0人&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf; 5.6÷0.05&n0sf;&n0sf;&n0sf;&n0sf;&n0sf;&n0sf; 20.三+00.5÷(5.2-4.5)