五年级简便计算练习题5.4×0.75÷1.5 〔18.95－（8.43+3.87）〕×2.83.4×0.46+3.4×0.54 25.5÷〔（10－8.98）×2.5〕2.5×（6.2－2.6）×0.4 12.6－（2.89+7.11）×1.016.3+4.82+3.7－0.82 307×10.1 0.45×18 132...