2.19+6.48+0.51-1.38-5.48-0.62的计算过程
问题描述:
2.19+6.48+0.51-1.38-5.48-0.62的计算过程
答
原式=2.19+0.51+6.48-5.48-(1.38+0.62)
=2.7+1-2
=1.7