(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

0.81和0.27,7.5和0.25,0.48和0.24,除完后相乘,3*30*2=180��ʽ��0.81��0.27������7.5��0.25������0.48��0.24��=180