3.7×101.1-3.7的简便算法
问题描述:
3.7×101.1-3.7的简便算法
答
3.7×101.1-3.7
= 3.7(101.1-1)
= 3.7×100.1
= 3.7×(100+0.1)
= 3.7×100 + 3.7×0.1
= 370+0.37
= 370.37