简便计算:333×666+999×778
问题描述:
简便计算:333×666+999×778
答
333x3x222+999x778 =999x222+999x778 =999x(222+778) =999x1000 =999000
简便计算:333×666+999×778
333x3x222+999x778 =999x222+999x778 =999x(222+778) =999x1000 =999000