2.75+6分之1-0.875要过程,快!
问题描述：
2.75+6分之1-0.875要过程,快!
答
2.75+1/6-0.875
=11/4+1/6-7/8
=22/8-7/8+1/6
=15/8+1/6
=2+1/6-1/8
=2+4/24-3/24
=2又1/24
(15/8=2-1/8)
答
2.75+6分之1-0.875
=2又11/12-7/8
=2又1/24