简便运算:23/12-8/9×3/4-1/3
问题描述:
简便运算:23/12-8/9×3/4-1/3
答
23/12-8/9×3/4-1/3
=23/12-2/3-1/3
=23/12-(2/3+1/3)
=23/12-1
=11/12