2/3乘以[(3/4减1/6)除以1/5]
问题描述:
2/3乘以[(3/4减1/6)除以1/5]
答
2/3乘以[(3/4减1/6)除以1/5]
=2/3×(7/12×5)
=2/3×7/12×5
=35/18