1/36÷(-1/4-5/3+7/12)
问题描述:
1/36÷(-1/4-5/3+7/12)
答
1/36÷(-1/4-5/3+7/12)
=1/36÷(-3/12-20/12+7/12)
=1/36÷(-4/3)
=-1/36×3/4
=-1/48