3.6x(4.3-1.8)+3.6用简便方法计算
问题描述:
3.6x(4.3-1.8)+3.6用简便方法计算
答
3.6x(4.3-1.8)+3.6
=3.6x(4.3-1.8+1)
=3.6x3.5
=1.8x2x3.5
=1.8x7
=12.6