6*17+82*56+56 简便运算
问题描述:
6*17+82*56+56 简便运算
答
6*17+82*56+56
=6*(100-83)+56*(82+1)
=6*100-6*83+56*83
=600+(56-6)*83
=600+50*83
=600+4150
=4750
答
56*17+82*56+56
=56*(17+82+1)
=56*100
=5600