0.01+1.01×99的简便算法
问题描述:
0.01+1.01×99的简便算法
答
0.01+1.01×99
=0.01+(1+0.01)×99
=0.01+99+0.01×99
=99+0.01+0.01×99
=99+0.01×(1+99)
=99+0.01×100
=99+1
=1