1111乘以99等于1
问题描述:
1111乘以99等于1
答
1111乘以99
=1111乘以(100-1)
=111100-1111
=109 989
1111乘以99等于1
1111乘以99
=1111乘以(100-1)
=111100-1111
=109 989