4.6乘6.4加0.46乘36如何用简便的方法计算?
问题描述:
4.6乘6.4加0.46乘36如何用简便的方法计算?
答
4.6×6.4+0.46×36 =4.6×6.4+4.6×3.6 =(6.4+3.6)×4.6 =46
4.6乘6.4加0.46乘36如何用简便的方法计算?
4.6×6.4+0.46×36 =4.6×6.4+4.6×3.6 =(6.4+3.6)×4.6 =46