888×5+111×55 的简便运算
问题描述:
888×5+111×55 的简便运算
答
111*8*5+111*55
111*95
111*100-111*5
10545
答
(888+111)×(55+5)
答
888×5+111×55
=8x111x5+111x55
=111x(40+55)
=111x(100-5)
=111x100-111x5
=11100-555
=10545