-4.27+3.8-0.73+1.2等于多少?
问题描述:
-4.27+3.8-0.73+1.2等于多少?
答
=-4.27-0.73+3.8+1.2
=-5+5
=0
-4.27+3.8-0.73+1.2等于多少?
=-4.27-0.73+3.8+1.2
=-5+5
=0