38.2x0.28+382x6.1+0.382x11简便方法怎么算?
问题描述:
38.2x0.28+382x6.1+0.382x11简便方法怎么算?
答
38.2x0.28+382x6.1+0.382x11
=38.2x0.28+38.2x0.61+38.2x0.11
=38.2x(0.28+0.61+0.11)
=38.2x1
=38.2