888*4.2+444*11.6简便计算
问题描述:
888*4.2+444*11.6简便计算
答
888*4.2+444*11.6
=(888/2)*(4.2*2)+444*11.6
=444*8.4+444*11.6
=444*(8.4+11.6)
=444*20
=8880
答
888*4.2+444*11.6=888×4.2+444×2×5.8=888×(4.2+5.8)=888×10=8880
答
888*4.2+444*11.6
=888×4.2+444×2×5.8
=888×(4.2+5.8)
=888×10
=8880