3.6乘3.8加36乘0.72,简便方法
问题描述:
3.6乘3.8加36乘0.72,简便方法
答
3.6*3.8+36*0.72=36*0.38+36*0.72=36*(0.38+0.72)=36*1.1=36+3.6=39.6
3.6乘3.8加36乘0.72,简便方法
3.6*3.8+36*0.72=36*0.38+36*0.72=36*(0.38+0.72)=36*1.1=36+3.6=39.6