1又1⼀2与2又2⼀3的和除以5⼀6,再减去2.3与4⼀5的差得是多少?

2025-03-27 17:32:49
推荐回答(1个)
回答(1):

(1又1/2+2又2/3)÷5/6-(2.3-4/5)
=(3/2+8/3)÷5/6-(23/10-8/10)
=(9/6+16/6)÷5/6-15/10
=25/6 *6/5-3/2
=5-3/2
=7/2