用简便方法怎么做 4.87x2.34+48.7x0.266
问题描述:
用简便方法怎么做 4.87x2.34+48.7x0.266
答
4.87x2.34+48.7x0.266
= 4.87x2.34+4.87x2.66
=4.87x(2.34+2.66)
=4.87x5
=24.35