9999×7778+3333×6666 用简便算法,
问题描述:
9999×7778+3333×6666 用简便算法,
答
9999×7778+3333×6666=9999×7778+9999×2222=9999×10000=99990000步骤解说一下!9999×7778+3333×6666=9999×7778+3333×(3×2222)=9999×7778+9999×2222=9999×(7778+2222)=9999×10000=99990000