1.11-2.22+3.33
问题描述:
1.11-2.22+3.33
答
2.22=1.11+3.33-2.22
=4.44-2.22
=2.22
1.11-2.22+3.33
2.22=1.11+3.33-2.22
=4.44-2.22
=2.22