(0.81×7.5×0.48)÷(0.25×0.24×0.27)=? 用简便方法计算
问题描述:
(0.81×7.5×0.48)÷(0.25×0.24×0.27)=? 用简便方法计算
答
0.81和0.27,7.5和0.25,0.48和0.24,除完后相乘,3*30*2=180
(0.81×7.5×0.48)÷(0.25×0.24×0.27)=? 用简便方法计算
0.81和0.27,7.5和0.25,0.48和0.24,除完后相乘,3*30*2=180