7.56-4.23-(1.56+0.77)怎么简算?
问题描述:
7.56-4.23-(1.56+0.77)怎么简算?
答
7.56-1.56-(4.23+0.77)=6-5=1
答
原式=7.56-1.56-(4.23+0.77)=6-5=1