2.75-(-1/2)+(-5/6)-(-3/8)+4又1/3
问题描述:
2.75-(-1/2)+(-5/6)-(-3/8)+4又1/3
2.75-(-1/2)+(-5/6)-(-3/8)+4又1/3=?
答
2.75-(-1/2)+(-5/6)-(-3/8)+4又1/3
=2又3/4+1/2-5/6+3/8+4又1/3
=(2又6/8+4/8+3/8)+(4又2/6-5/6)
=3又7/8+3又1/2
=7又3/8 很好,你就在帮我答一题呗,我就采纳:3又8/11-27/10+(-19/11)-(-3又4/5)