1.6乘9.9+4.27能简算吗
问题描述:
1.6乘9.9+4.27能简算吗
答
1.6乘9.9+4.27
=1.6×(10-0.1)+4.27
=16-0.16+4.16+0.11
=16.11+4
=20.11